/*
 * Broadcom Dongle Host Driver (DHD), common DHD core.
 *
 * Copyright (C) 1999-2019, Broadcom.
 *
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 *
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module which is
 * not derived from this software.  The special exception does not apply to any
 * modifications of the software.
 *
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: dhd_common.c 826445 2019-06-20 04:47:47Z $
 */
#include <typedefs.h>
#include <osl.h>

#include <epivers.h>
#include <bcmutils.h>
#include <bcmstdlib_s.h>

#include <bcmendian.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <dhd_ip.h>
#include <bcmevent.h>
#include <dhdioctl.h>

#ifdef PCIE_FULL_DONGLE
#include <bcmmsgbuf.h>
#endif /* PCIE_FULL_DONGLE */

#ifdef SHOW_LOGTRACE
#include <event_log.h>
#endif /* SHOW_LOGTRACE */

#ifdef BCMPCIE
#include <dhd_flowring.h>
#endif // endif

#include <dhd_bus.h>
#include <dhd_proto.h>
#include <bcmsdbus.h>
#include <dhd_dbg.h>
#include <802.1d.h>
#include <dhd_debug.h>
#include <dhd_dbg_ring.h>
#include <dhd_mschdbg.h>
#include <msgtrace.h>
#include <dhd_config.h>
#include <wl_ohos.h>

#ifdef WL_CFG80211
#include <wl_cfg80211.h>
#endif // endif
#if defined(PNO_SUPPORT)
#include <dhd_pno.h>
#endif /* PNO_SUPPORT */
#ifdef RTT_SUPPORT
#include <dhd_rtt.h>
#endif // endif

#ifdef DNGL_EVENT_SUPPORT
#include <dnglevent.h>
#endif // endif

#define htod32(i) (i)
#define htod16(i) (i)
#define dtoh32(i) (i)
#define dtoh16(i) (i)
#define htodchanspec(i) (i)
#define dtohchanspec(i) (i)

#ifdef PROP_TXSTATUS
#include <wlfc_proto.h>
#include <dhd_wlfc.h>
#endif // endif

#if defined(DHD_POST_EAPOL_M1_AFTER_ROAM_EVT)
#include <dhd_linux.h>
#endif // endif

#ifdef DHD_L2_FILTER
#include <dhd_l2_filter.h>
#endif /* DHD_L2_FILTER */

#ifdef DHD_PSTA
#include <dhd_psta.h>
#endif /* DHD_PSTA */

#ifdef DHD_WET
#include <dhd_wet.h>
#endif /* DHD_WET */

#ifdef DHD_LOG_DUMP
#include <dhd_dbg.h>
#endif /* DHD_LOG_DUMP */

#ifdef DHD_LOG_PRINT_RATE_LIMIT
int log_print_threshold = 0;
#endif /* DHD_LOG_PRINT_RATE_LIMIT */
int dhd_msg_level = DHD_ERROR_VAL | DHD_FWLOG_VAL; // | DHD_EVENT_VAL
/* For CUSTOMER_HW4 do not enable DHD_IOVAR_MEM_VAL by default */
//	| DHD_PKT_MON_VAL;

#if defined(WL_WIRELESS_EXT)
#include <wl_iw.h>
#endif // endif

#ifdef DHD_ULP
#include <dhd_ulp.h>
#endif /* DHD_ULP */

#ifdef DHD_DEBUG
#include <sdiovar.h>
#endif /* DHD_DEBUG */

#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
#include <linux/pm_runtime.h>
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */

#ifdef CSI_SUPPORT
#include <dhd_csi.h>
#endif /* CSI_SUPPORT */

#ifdef SOFTAP
char fw_path2[MOD_PARAM_PATHLEN];
extern bool softap_enabled;
#endif // endif
#ifdef PROP_TXSTATUS
extern int disable_proptx;
#endif /* PROP_TXSTATUS */

#ifdef SHOW_LOGTRACE
#define BYTES_AHEAD_NUM 10  /* address in map file is before these many bytes  \
                             */
#define READ_NUM_BYTES 1000 /* read map file each time this No. of bytes */
#define GO_BACK_FILE_POS_NUM_BYTES 100 /* set file pos back to cur pos */
static char *ramstart_str =
    " text_start"; /* string in mapfile has addr ramstart */
static char *rodata_start_str =
    " rodata_start"; /* string in mapfile has addr rodata start */
static char *rodata_end_str =
    " rodata_end"; /* string in mapfile has addr rodata end */
#define RAMSTART_BIT 0x01
#define RDSTART_BIT 0x02
#define RDEND_BIT 0x04
#define ALL_MAP_VAL (RAMSTART_BIT | RDSTART_BIT | RDEND_BIT)
#endif /* SHOW_LOGTRACE */

#ifdef SHOW_LOGTRACE
/* the fw file path is taken from either the module parameter at
 * insmod time or is defined as a constant of different values
 * for different platforms
 */
extern char *st_str_file_path;
#endif /* SHOW_LOGTRACE */

#define DHD_TPUT_MAX_TX_PKTS_BATCH 1000

#ifdef EWP_EDL
typedef struct msg_hdr_edl {
    uint32 infobuf_ver;
    info_buf_payload_hdr_t pyld_hdr;
    msgtrace_hdr_t trace_hdr;
} msg_hdr_edl_t;
#endif /* EWP_EDL */

/* Last connection success/failure status */
uint32 dhd_conn_event;
uint32 dhd_conn_status;
uint32 dhd_conn_reason;

extern int dhd_iscan_request(void *dhdp, uint16 action);
extern void dhd_ind_scan_confirm(void *h, bool status);
extern int dhd_iscan_in_progress(void *h);
void dhd_iscan_lock(void);
void dhd_iscan_unlock(void);
extern int dhd_change_mtu(dhd_pub_t *dhd, int new_mtu, int ifidx);
#if !defined(AP) && defined(WLP2P)
extern int dhd_get_concurrent_capabilites(dhd_pub_t *dhd);
#endif // endif

extern int dhd_socram_dump(struct dhd_bus *bus);
extern void dhd_set_packet_filter(dhd_pub_t *dhd);

#ifdef DNGL_EVENT_SUPPORT
static void dngl_host_event_process(dhd_pub_t *dhdp, bcm_dngl_event_t *event,
                                    bcm_dngl_event_msg_t *dngl_event,
                                    size_t pktlen);
static int dngl_host_event(dhd_pub_t *dhdp, void *pktdata,
                           bcm_dngl_event_msg_t *dngl_event, size_t pktlen);
#endif /* DNGL_EVENT_SUPPORT */

#define MAX_CHUNK_LEN 1408 /* 8 * 8 * 22 */

bool ap_cfg_running = FALSE;
bool ap_fw_loaded = FALSE;

#ifdef WLEASYMESH
extern int dhd_set_1905_almac(dhd_pub_t *dhdp, uint8 ifidx, uint8 *ea,
                              bool mcast);
extern int dhd_get_1905_almac(dhd_pub_t *dhdp, uint8 ifidx, uint8 *ea,
                              bool mcast);
#endif /* WLEASYMESH */

#define CHIPID_MISMATCH 8

#define DHD_VERSION "Dongle Host Driver, version " EPI_VERSION_STR "\n"

#if defined(DHD_DEBUG) && defined(DHD_COMPILED)
const char dhd_version[] = DHD_VERSION DHD_COMPILED
    " compiled on " __DATE__ " at " __TIME__ "\n\0<TIMESTAMP>";
#else
const char dhd_version[] = DHD_VERSION;
#endif /* DHD_DEBUG && DHD_COMPILED */

char fw_version[FW_VER_STR_LEN] = "\0";
char clm_version[CLM_VER_STR_LEN] = "\0";

char bus_api_revision[BUS_API_REV_STR_LEN] = "\0";

void dhd_set_timer(void *bus, uint wdtick);

static char *ioctl2str(uint32 ioctl);

/* IOVar table */
enum {
    IOV_VERSION = 1,
    IOV_WLMSGLEVEL,
    IOV_MSGLEVEL,
    IOV_BCMERRORSTR,
    IOV_BCMERROR,
    IOV_WDTICK,
    IOV_DUMP,
    IOV_CLEARCOUNTS,
    IOV_LOGDUMP,
    IOV_LOGCAL,
    IOV_LOGSTAMP,
    IOV_GPIOOB,
    IOV_IOCTLTIMEOUT,
    IOV_CONS,
    IOV_DCONSOLE_POLL,
#if defined(DHD_DEBUG)
    IOV_DHD_JOIN_TIMEOUT_DBG,
    IOV_SCAN_TIMEOUT,
    IOV_MEM_DEBUG,
#ifdef BCMPCIE
    IOV_FLOW_RING_DEBUG,
#endif /* BCMPCIE */
#endif /* defined(DHD_DEBUG) */
#ifdef PROP_TXSTATUS
    IOV_PROPTXSTATUS_ENABLE,
    IOV_PROPTXSTATUS_MODE,
    IOV_PROPTXSTATUS_OPT,
    IOV_PROPTXSTATUS_MODULE_IGNORE,
    IOV_PROPTXSTATUS_CREDIT_IGNORE,
    IOV_PROPTXSTATUS_TXSTATUS_IGNORE,
    IOV_PROPTXSTATUS_RXPKT_CHK,
#endif /* PROP_TXSTATUS */
    IOV_BUS_TYPE,
    IOV_CHANGEMTU,
    IOV_HOSTREORDER_FLOWS,
#ifdef DHDTCPACK_SUPPRESS
    IOV_TCPACK_SUPPRESS,
#endif /* DHDTCPACK_SUPPRESS */
    IOV_AP_ISOLATE,
#ifdef DHD_L2_FILTER
    IOV_DHCP_UNICAST,
    IOV_BLOCK_PING,
    IOV_PROXY_ARP,
    IOV_GRAT_ARP,
    IOV_BLOCK_TDLS,
#endif /* DHD_L2_FILTER */
    IOV_DHD_IE,
#ifdef DHD_PSTA
    IOV_PSTA,
#endif /* DHD_PSTA */
#ifdef DHD_WET
    IOV_WET,
    IOV_WET_HOST_IPV4,
    IOV_WET_HOST_MAC,
#endif /* DHD_WET */
    IOV_CFG80211_OPMODE,
    IOV_ASSERT_TYPE,
    IOV_LMTEST,
#ifdef DHD_MCAST_REGEN
    IOV_MCAST_REGEN_BSS_ENABLE,
#endif // endif
#ifdef SHOW_LOGTRACE
    IOV_DUMP_TRACE_LOG,
#endif /* SHOW_LOGTRACE */
    IOV_DONGLE_TRAP_TYPE,
    IOV_DONGLE_TRAP_INFO,
    IOV_BPADDR,
    IOV_DUMP_DONGLE, /**< dumps core registers and d11 memories */
#if defined(DHD_LOG_DUMP)
    IOV_LOG_DUMP,
#endif /* DHD_LOG_DUMP */
    IOV_TPUT_TEST,
    IOV_FIS_TRIGGER,
    IOV_DEBUG_BUF_DEST_STAT,
#ifdef DHD_DEBUG
    IOV_INDUCE_ERROR,
#endif /* DHD_DEBUG */
#ifdef WL_IFACE_MGMT_CONF
#ifdef WL_CFG80211
#ifdef WL_NANP2P
    IOV_CONC_DISC,
#endif /* WL_NANP2P */
#ifdef WL_IFACE_MGMT
    IOV_IFACE_POLICY,
#endif /* WL_IFACE_MGMT */
#endif /* WL_CFG80211 */
#endif /* WL_IFACE_MGMT_CONF */
#ifdef RTT_GEOFENCE_CONT
#if defined(RTT_SUPPORT) && defined(WL_NAN)
    IOV_RTT_GEOFENCE_TYPE_OVRD,
#endif /* RTT_SUPPORT && WL_NAN */
#endif /* RTT_GEOFENCE_CONT */
#ifdef WLEASYMESH
    IOV_1905_AL_UCAST,
    IOV_1905_AL_MCAST,
#endif /* WLEASYMESH */
    IOV_LAST
};

const bcm_iovar_t dhd_iovars[] = {
    /* name         varid                   flags   flags2 type     minlen */
    {"version", IOV_VERSION, 0, 0, IOVT_BUFFER, sizeof(dhd_version)},
    {"wlmsglevel", IOV_WLMSGLEVEL, 0, 0, IOVT_UINT32, 0},
#ifdef DHD_DEBUG
    {"msglevel", IOV_MSGLEVEL, 0, 0, IOVT_UINT32, 0},
    {"mem_debug", IOV_MEM_DEBUG, 0, 0, IOVT_BUFFER, 0},
#ifdef BCMPCIE
    {"flow_ring_debug", IOV_FLOW_RING_DEBUG, 0, 0, IOVT_BUFFER, 0},
#endif /* BCMPCIE */
#endif /* DHD_DEBUG */
    {"bcmerrorstr", IOV_BCMERRORSTR, 0, 0, IOVT_BUFFER, BCME_STRLEN},
    {"bcmerror", IOV_BCMERROR, 0, 0, IOVT_INT8, 0},
    {"wdtick", IOV_WDTICK, 0, 0, IOVT_UINT32, 0},
    {"dump", IOV_DUMP, 0, 0, IOVT_BUFFER, DHD_IOCTL_MAXLEN},
    {"cons", IOV_CONS, 0, 0, IOVT_BUFFER, 0},
    {"dconpoll", IOV_DCONSOLE_POLL, 0, 0, IOVT_UINT32, 0},
    {"clearcounts", IOV_CLEARCOUNTS, 0, 0, IOVT_VOID, 0},
    {"gpioob", IOV_GPIOOB, 0, 0, IOVT_UINT32, 0},
    {"ioctl_timeout", IOV_IOCTLTIMEOUT, 0, 0, IOVT_UINT32, 0},
#ifdef PROP_TXSTATUS
    {"proptx", IOV_PROPTXSTATUS_ENABLE, 0, 0, IOVT_BOOL, 0},
    /*
    set the proptxtstatus operation mode:
    0 - Do not do any proptxtstatus flow control
    1 - Use implied credit from a packet status
    2 - Use explicit credit
    */
    {"ptxmode", IOV_PROPTXSTATUS_MODE, 0, 0, IOVT_UINT32, 0},
    {"proptx_opt", IOV_PROPTXSTATUS_OPT, 0, 0, IOVT_UINT32, 0},
    {"pmodule_ignore", IOV_PROPTXSTATUS_MODULE_IGNORE, 0, 0, IOVT_BOOL, 0},
    {"pcredit_ignore", IOV_PROPTXSTATUS_CREDIT_IGNORE, 0, 0, IOVT_BOOL, 0},
    {"ptxstatus_ignore", IOV_PROPTXSTATUS_TXSTATUS_IGNORE, 0, 0, IOVT_BOOL, 0},
    {"rxpkt_chk", IOV_PROPTXSTATUS_RXPKT_CHK, 0, 0, IOVT_BOOL, 0},
#endif /* PROP_TXSTATUS */
    {"bustype", IOV_BUS_TYPE, 0, 0, IOVT_UINT32, 0},
    {"changemtu", IOV_CHANGEMTU, 0, 0, IOVT_UINT32, 0},
    {"host_reorder_flows", IOV_HOSTREORDER_FLOWS, 0, 0, IOVT_BUFFER,
     (WLHOST_REORDERDATA_MAXFLOWS + 1)},
#ifdef DHDTCPACK_SUPPRESS
    {"tcpack_suppress", IOV_TCPACK_SUPPRESS, 0, 0, IOVT_UINT8, 0},
#endif /* DHDTCPACK_SUPPRESS */
#ifdef DHD_L2_FILTER
    {"dhcp_unicast", IOV_DHCP_UNICAST, (0), 0, IOVT_BOOL, 0},
#endif /* DHD_L2_FILTER */
    {"ap_isolate", IOV_AP_ISOLATE, (0), 0, IOVT_BOOL, 0},
#ifdef DHD_L2_FILTER
    {"block_ping", IOV_BLOCK_PING, (0), 0, IOVT_BOOL, 0},
    {"proxy_arp", IOV_PROXY_ARP, (0), 0, IOVT_BOOL, 0},
    {"grat_arp", IOV_GRAT_ARP, (0), 0, IOVT_BOOL, 0},
    {"block_tdls", IOV_BLOCK_TDLS, (0), IOVT_BOOL, 0},
#endif /* DHD_L2_FILTER */
    {"dhd_ie", IOV_DHD_IE, (0), 0, IOVT_BUFFER, 0},
#ifdef DHD_PSTA
    /* PSTA/PSR Mode configuration. 0: DIABLED 1: PSTA 2: PSR */
    {"psta", IOV_PSTA, 0, 0, IOVT_UINT32, 0},
#endif /* DHD PSTA */
#ifdef DHD_WET
    /* WET Mode configuration. 0: DIABLED 1: WET */
    {"wet", IOV_WET, 0, 0, IOVT_UINT32, 0},
    {"wet_host_ipv4", IOV_WET_HOST_IPV4, 0, 0, IOVT_UINT32, 0},
    {"wet_host_mac", IOV_WET_HOST_MAC, 0, 0, IOVT_BUFFER, 0},
#endif /* DHD WET */
    {"op_mode", IOV_CFG80211_OPMODE, 0, 0, IOVT_UINT32, 0},
    {"assert_type", IOV_ASSERT_TYPE, (0), 0, IOVT_UINT32, 0},
    {"lmtest", IOV_LMTEST, 0, 0, IOVT_UINT32, 0},
#ifdef DHD_MCAST_REGEN
    {"mcast_regen_bss_enable", IOV_MCAST_REGEN_BSS_ENABLE, 0, 0, IOVT_BOOL, 0},
#endif // endif
#ifdef SHOW_LOGTRACE
    {"dump_trace_buf", IOV_DUMP_TRACE_LOG, 0, 0, IOVT_BUFFER,
     sizeof(trace_buf_info_t)},
#endif /* SHOW_LOGTRACE */
    {"trap_type", IOV_DONGLE_TRAP_TYPE, 0, 0, IOVT_UINT32, 0},
    {"trap_info", IOV_DONGLE_TRAP_INFO, 0, 0, IOVT_BUFFER, sizeof(trap_t)},
#ifdef DHD_DEBUG
    {"bpaddr", IOV_BPADDR, 0, 0, IOVT_BUFFER, sizeof(sdreg_t)},
#endif /* DHD_DEBUG */
    {"dump_dongle", IOV_DUMP_DONGLE, 0, 0, IOVT_BUFFER,
     MAX(sizeof(dump_dongle_in_t), sizeof(dump_dongle_out_t))},
#if defined(DHD_LOG_DUMP)
    {"log_dump", IOV_LOG_DUMP, 0, 0, IOVT_UINT8, 0},
#endif /* DHD_LOG_DUMP */
    {"debug_buf_dest_stat", IOV_DEBUG_BUF_DEST_STAT, 0, 0, IOVT_UINT32, 0},
#ifdef DHD_DEBUG
    {"induce_error", IOV_INDUCE_ERROR, (0), 0, IOVT_UINT16, 0},
#endif /* DHD_DEBUG */
#ifdef WL_IFACE_MGMT_CONF
#ifdef WL_CFG80211
#ifdef WL_NANP2P
    {"conc_disc", IOV_CONC_DISC, (0), 0, IOVT_UINT16, 0},
#endif /* WL_NANP2P */
#ifdef WL_IFACE_MGMT
    {"if_policy", IOV_IFACE_POLICY, (0), 0, IOVT_BUFFER,
     sizeof(iface_mgmt_data_t)},
#endif /* WL_IFACE_MGMT */
#endif /* WL_CFG80211 */
#endif /* WL_IFACE_MGMT_CONF */
#ifdef RTT_GEOFENCE_CONT
#if defined(RTT_SUPPORT) && defined(WL_NAN)
    {"rtt_geofence_type_ovrd", IOV_RTT_GEOFENCE_TYPE_OVRD, (0), 0, IOVT_BOOL,
     0},
#endif /* RTT_SUPPORT && WL_NAN */
#endif /* RTT_GEOFENCE_CONT */
#ifdef WLEASYMESH
    {"1905_al_ucast", IOV_1905_AL_UCAST, 0, 0, IOVT_BUFFER, ETHER_ADDR_LEN},
    {"1905_al_mcast", IOV_1905_AL_MCAST, 0, 0, IOVT_BUFFER, ETHER_ADDR_LEN},
#endif /* WLEASYMESH */
    {NULL, 0, 0, 0, 0, 0}};

#define DHD_IOVAR_BUF_SIZE 128

bool dhd_query_bus_erros(dhd_pub_t *dhdp)
{
    bool ret = FALSE;

    if (dhdp->dongle_reset) {
        DHD_ERROR_RLMT(
            ("%s: Dongle Reset occurred, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }

    if (dhdp->dongle_trap_occured) {
        DHD_ERROR_RLMT(
            ("%s: FW TRAP has occurred, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
        dhdp->hang_reason = HANG_REASON_DONGLE_TRAP;
        dhd_os_send_hang_message(dhdp);
    }

    if (dhdp->iovar_timeout_occured) {
        DHD_ERROR_RLMT(
            ("%s: Resumed on timeout for previous IOVAR, cannot proceed\n",
             __FUNCTION__));
        ret = TRUE;
    }

#ifdef PCIE_FULL_DONGLE
    if (dhdp->d3ack_timeout_occured) {
        DHD_ERROR_RLMT(
            ("%s: Resumed on timeout for previous D3ACK, cannot proceed\n",
             __FUNCTION__));
        ret = TRUE;
    }
    if (dhdp->livelock_occured) {
        DHD_ERROR_RLMT(
            ("%s: LIVELOCK occurred for previous msg, cannot proceed\n",
             __FUNCTION__));
        ret = TRUE;
    }

    if (dhdp->pktid_audit_failed) {
        DHD_ERROR_RLMT(
            ("%s: pktid_audit_failed, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }
#endif /* PCIE_FULL_DONGLE */

    if (dhdp->iface_op_failed) {
        DHD_ERROR_RLMT(("%s: iface_op_failed, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }

    if (dhdp->scan_timeout_occurred) {
        DHD_ERROR_RLMT(
            ("%s: scan_timeout_occurred, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }

    if (dhdp->scan_busy_occurred) {
        DHD_ERROR_RLMT(
            ("%s: scan_busy_occurred, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }

#ifdef DNGL_AXI_ERROR_LOGGING
    if (dhdp->axi_error) {
        DHD_ERROR_RLMT(
            ("%s: AXI error occurred, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }
#endif /* DNGL_AXI_ERROR_LOGGING */

    if (dhd_bus_get_linkdown(dhdp)) {
        DHD_ERROR_RLMT(
            ("%s : PCIE Link down occurred, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }

    if (dhd_bus_get_cto(dhdp)) {
        DHD_ERROR_RLMT(
            ("%s : CTO Recovery reported, cannot proceed\n", __FUNCTION__));
        ret = TRUE;
    }

    return ret;
}

void dhd_clear_bus_errors(dhd_pub_t *dhdp)
{
    if (!dhdp) {
        return;
    }

    dhdp->dongle_reset = FALSE;
    dhdp->dongle_trap_occured = FALSE;
    dhdp->iovar_timeout_occured = FALSE;
#ifdef PCIE_FULL_DONGLE
    dhdp->d3ack_timeout_occured = FALSE;
    dhdp->livelock_occured = FALSE;
    dhdp->pktid_audit_failed = FALSE;
#endif // endif
    dhdp->iface_op_failed = FALSE;
    dhdp->scan_timeout_occurred = FALSE;
    dhdp->scan_busy_occurred = FALSE;
}

#ifdef DHD_SSSR_DUMP

/* This can be overwritten by module parameter defined in dhd_linux.c */
uint support_sssr_dump = TRUE;

int dhd_sssr_mempool_init(dhd_pub_t *dhd)
{
    dhd->sssr_mempool = (uint8 *)MALLOCZ(dhd->osh, DHD_SSSR_MEMPOOL_SIZE);
    if (dhd->sssr_mempool == NULL) {
        DHD_ERROR(("%s: MALLOC of sssr_mempool failed\n", __FUNCTION__));
        return BCME_ERROR;
    }
    return BCME_OK;
}

void dhd_sssr_mempool_deinit(dhd_pub_t *dhd)
{
    if (dhd->sssr_mempool) {
        MFREE(dhd->osh, dhd->sssr_mempool, DHD_SSSR_MEMPOOL_SIZE);
        dhd->sssr_mempool = NULL;
    }
}

void dhd_dump_sssr_reg_info(sssr_reg_info_v1_t *sssr_reg_info)
{
}

int dhd_get_sssr_reg_info(dhd_pub_t *dhd)
{
    int ret;
    /* get sssr_reg_info from firmware */
    memset((void *)&dhd->sssr_reg_info, 0, sizeof(dhd->sssr_reg_info));
    ret =
        dhd_iovar(dhd, 0, "sssr_reg_info", NULL, 0, (char *)&dhd->sssr_reg_info,
                  sizeof(dhd->sssr_reg_info), FALSE);
    if (ret < 0) {
        DHD_ERROR(("%s: sssr_reg_info failed (error=%d)\n", __FUNCTION__, ret));
        return BCME_ERROR;
    }

    dhd_dump_sssr_reg_info(&dhd->sssr_reg_info);
    return BCME_OK;
}

uint32 dhd_get_sssr_bufsize(dhd_pub_t *dhd)
{
    int i;
    uint32 sssr_bufsize = 0;
    /* Init all pointers to NULL */
    for (i = 0; i < MAX_NUM_D11CORES; i++) {
        sssr_bufsize += dhd->sssr_reg_info.mac_regs[i].sr_size;
    }
    sssr_bufsize += dhd->sssr_reg_info.vasip_regs.vasip_sr_size;

    /* Double the size as different dumps will be saved before and after SR */
    sssr_bufsize = 0x2 * sssr_bufsize;

    return sssr_bufsize;
}

int dhd_sssr_dump_init(dhd_pub_t *dhd)
{
    int i;
    uint32 sssr_bufsize;
    uint32 mempool_used = 0;

    dhd->sssr_inited = FALSE;

    if (!support_sssr_dump) {
        DHD_ERROR(("%s: sssr dump not inited as instructed by mod param\n",
                   __FUNCTION__));
        return BCME_OK;
    }

    /* check if sssr mempool is allocated */
    if (dhd->sssr_mempool == NULL) {
        DHD_ERROR(("%s: sssr_mempool is not allocated\n", __FUNCTION__));
        return BCME_ERROR;
    }

    /* Get SSSR reg info */
    if (dhd_get_sssr_reg_info(dhd) != BCME_OK) {
        DHD_ERROR(("%s: dhd_get_sssr_reg_info failed\n", __FUNCTION__));
        return BCME_ERROR;
    }

    /* Validate structure version */
    if (dhd->sssr_reg_info.version > SSSR_REG_INFO_VER_1) {
        DHD_ERROR(("%s: dhd->sssr_reg_info.version (%d : %d) mismatch\n",
                   __FUNCTION__, (int)dhd->sssr_reg_info.version,
                   SSSR_REG_INFO_VER));
        return BCME_ERROR;
    }

    /* Validate structure length */
    if (dhd->sssr_reg_info.length < sizeof(sssr_reg_info_v0_t)) {
        DHD_ERROR(("%s: dhd->sssr_reg_info.length (%d : %d) mismatch\n",
                   __FUNCTION__, (int)dhd->sssr_reg_info.length,
                   (int)sizeof(dhd->sssr_reg_info)));
        return BCME_ERROR;
    }

    /* validate fifo size */
    sssr_bufsize = dhd_get_sssr_bufsize(dhd);
    if (sssr_bufsize > DHD_SSSR_MEMPOOL_SIZE) {
        DHD_ERROR(("%s: sssr_bufsize(%d) is greater than sssr_mempool(%d)\n",
                   __FUNCTION__, (int)sssr_bufsize, DHD_SSSR_MEMPOOL_SIZE));
        return BCME_ERROR;
    }

    /* init all pointers to NULL */
    for (i = 0; i < MAX_NUM_D11CORES; i++) {
        dhd->sssr_d11_before[i] = NULL;
        dhd->sssr_d11_after[i] = NULL;
    }
    dhd->sssr_dig_buf_before = NULL;
    dhd->sssr_dig_buf_after = NULL;

    /* Allocate memory */
    for (i = 0; i < MAX_NUM_D11CORES; i++) {
        if (dhd->sssr_reg_info.mac_regs[i].sr_size) {
            dhd->sssr_d11_before[i] =
                (uint32 *)(dhd->sssr_mempool + mempool_used);
            mempool_used += dhd->sssr_reg_info.mac_regs[i].sr_size;

            dhd->sssr_d11_after[i] =
                (uint32 *)(dhd->sssr_mempool + mempool_used);
            mempool_used += dhd->sssr_reg_info.mac_regs[i].sr_size;
        }
    }

    if (dhd->sssr_reg_info.vasip_regs.vasip_sr_size) {
        dhd->sssr_dig_buf_before = (uint32 *)(dhd->sssr_mempool + mempool_used);
        mempool_used += dhd->sssr_reg_info.vasip_regs.vasip_sr_size;

        dhd->sssr_dig_buf_after = (uint32 *)(dhd->sssr_mempool + mempool_used);
        mempool_used += dhd->sssr_reg_info.vasip_regs.vasip_sr_size;
    } else if ((dhd->sssr_reg_info.length >
                OFFSETOF(sssr_reg_info_v1_t, dig_mem_info)) &&
               dhd->sssr_reg_info.dig_mem_info.dig_sr_addr) {
        dhd->sssr_dig_buf_before = (uint32 *)(dhd->sssr_mempool + mempool_used);
        mempool_used += dhd->sssr_reg_info.dig_mem_info.dig_sr_size;

        dhd->sssr_dig_buf_after = (uint32 *)(dhd->sssr_mempool + mempool_used);
        mempool_used += dhd->sssr_reg_info.dig_mem_info.dig_sr_size;
    }

    dhd->sssr_inited = TRUE;

    return BCME_OK;
}

void dhd_sssr_dump_deinit(dhd_pub_t *dhd)
{
    int i;

    dhd->sssr_inited = FALSE;
    /* init all pointers to NULL */
    for (i = 0; i < MAX_NUM_D11CORES; i++) {
        dhd->sssr_d11_before[i] = NULL;
        dhd->sssr_d11_after[i] = NULL;
    }
    dhd->sssr_dig_buf_before = NULL;
    dhd->sssr_dig_buf_after = NULL;

    return;
}

void dhd_sssr_print_filepath(dhd_pub_t *dhd, char *path)
{
    bool print_info = FALSE;
    int dump_mode;

    if (!dhd || !path) {
        DHD_ERROR(("%s: dhd or memdump_path is NULL\n", __FUNCTION__));
        return;
    }

    if (!dhd->sssr_dump_collected) {
        /* SSSR dump is not collected */
        return;
    }

    dump_mode = dhd->sssr_dump_mode;

    if (bcmstrstr(path, "core_0_before")) {
        if (dhd->sssr_d11_outofreset[0] && dump_mode == SSSR_DUMP_MODE_SSSR) {
            print_info = TRUE;
        }
    } else if (bcmstrstr(path, "core_0_after")) {
        if (dhd->sssr_d11_outofreset[0]) {
            print_info = TRUE;
        }
    } else if (bcmstrstr(path, "core_1_before")) {
        if (dhd->sssr_d11_outofreset[1] && dump_mode == SSSR_DUMP_MODE_SSSR) {
            print_info = TRUE;
        }
    } else if (bcmstrstr(path, "core_1_after")) {
        if (dhd->sssr_d11_outofreset[1]) {
            print_info = TRUE;
        }
    } else {
        print_info = TRUE;
    }

    if (print_info) {
        DHD_ERROR(
            ("%s: file_path = %s%s\n", __FUNCTION__, path, FILE_NAME_HAL_TAG));
    }
}
#endif /* DHD_SSSR_DUMP */

#ifdef DHD_FW_COREDUMP
void *dhd_get_fwdump_buf(dhd_pub_t *dhd_pub, uint32 length)
{
    if (!dhd_pub->soc_ram) {
#if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP)
        dhd_pub->soc_ram =
            (uint8 *)DHD_OS_PREALLOC(dhd_pub, DHD_PREALLOC_MEMDUMP_RAM, length);
#else
        dhd_pub->soc_ram = (uint8 *)MALLOC(dhd_pub->osh, length);
#endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */
    }

    if (dhd_pub->soc_ram == NULL) {
        DHD_ERROR(("%s: Failed to allocate memory for fw crash snap shot.\n",
                   __FUNCTION__));
        dhd_pub->soc_ram_length = 0;
    } else {
        memset(dhd_pub->soc_ram, 0, length);
        dhd_pub->soc_ram_length = length;
    }

    /* soc_ram free handled in dhd_{free,clear} */
    return dhd_pub->soc_ram;
}
#endif /* DHD_FW_COREDUMP */

/* to NDIS developer, the structure dhd_common is redundant,
 * please do NOT merge it back from other branches !!!
 */

int dhd_common_socram_dump(dhd_pub_t *dhdp)
{
#ifdef BCMDBUS
    return 0;
#else
    return dhd_socram_dump(dhdp->bus);
#endif /* BCMDBUS */
}

int dhd_dump(dhd_pub_t *dhdp, char *buf, int buflen)
{
    struct bcmstrbuf b;
    struct bcmstrbuf *strbuf = &b;

    if (!dhdp || !dhdp->prot || !buf) {
        return BCME_ERROR;
    }

    bcm_binit(strbuf, buf, buflen);

    /* Base DHD info */
    bcm_bprintf(strbuf, "%s\n", dhd_version);
    bcm_bprintf(strbuf, "\n");
    bcm_bprintf(strbuf, "pub.up %d pub.txoff %d pub.busstate %d\n", dhdp->up,
                dhdp->txoff, dhdp->busstate);
    bcm_bprintf(strbuf, "pub.hdrlen %u pub.maxctl %u pub.rxsz %u\n",
                dhdp->hdrlen, dhdp->maxctl, dhdp->rxsz);
    bcm_bprintf(strbuf, "pub.iswl %d pub.drv_version %ld pub.mac " MACDBG "\n",
                dhdp->iswl, dhdp->drv_version, MAC2STRDBG(&dhdp->mac));
    bcm_bprintf(strbuf, "pub.bcmerror %d tickcnt %u\n", dhdp->bcmerror,
                dhdp->tickcnt);

    bcm_bprintf(strbuf, "dongle stats:\n");
    bcm_bprintf(strbuf,
                "tx_packets %lu tx_bytes %lu tx_errors %lu tx_dropped %lu\n",
                dhdp->dstats.tx_packets, dhdp->dstats.tx_bytes,
                dhdp->dstats.tx_errors, dhdp->dstats.tx_dropped);
    bcm_bprintf(strbuf,
                "rx_packets %lu rx_bytes %lu rx_errors %lu rx_dropped %lu\n",
                dhdp->dstats.rx_packets, dhdp->dstats.rx_bytes,
                dhdp->dstats.rx_errors, dhdp->dstats.rx_dropped);
    bcm_bprintf(strbuf, "multicast %lu\n", dhdp->dstats.multicast);

    bcm_bprintf(strbuf, "bus stats:\n");
    bcm_bprintf(
        strbuf,
        "tx_packets %lu  tx_dropped %lu tx_multicast %lu tx_errors %lu\n",
        dhdp->tx_packets, dhdp->tx_dropped, dhdp->tx_multicast,
        dhdp->tx_errors);
    bcm_bprintf(strbuf, "tx_ctlpkts %lu tx_ctlerrs %lu\n", dhdp->tx_ctlpkts,
                dhdp->tx_ctlerrs);
    bcm_bprintf(strbuf, "rx_packets %lu rx_multicast %lu rx_errors %lu \n",
                dhdp->rx_packets, dhdp->rx_multicast, dhdp->rx_errors);
    bcm_bprintf(strbuf, "rx_ctlpkts %lu rx_ctlerrs %lu rx_dropped %lu\n",
                dhdp->rx_ctlpkts, dhdp->rx_ctlerrs, dhdp->rx_dropped);
    bcm_bprintf(strbuf, "rx_readahead_cnt %lu tx_realloc %lu\n",
                dhdp->rx_readahead_cnt, dhdp->tx_realloc);
    bcm_bprintf(strbuf, "tx_pktgetfail %lu rx_pktgetfail %lu\n",
                dhdp->tx_pktgetfail, dhdp->rx_pktgetfail);
    bcm_bprintf(strbuf, "tx_big_packets %lu\n", dhdp->tx_big_packets);
    bcm_bprintf(strbuf, "\n");
#ifdef DMAMAP_STATS
    /* Add DMA MAP info */
    bcm_bprintf(strbuf, "DMA MAP stats: \n");
    bcm_bprintf(strbuf, "txdata: %lu size: %luK, rxdata: %lu size: %luK\n",
                dhdp->dma_stats.txdata, KB(dhdp->dma_stats.txdata_sz),
                dhdp->dma_stats.rxdata, KB(dhdp->dma_stats.rxdata_sz));
#ifndef IOCTLRESP_USE_CONSTMEM
    bcm_bprintf(strbuf, "IOCTL RX: %lu size: %luK ,", dhdp->dma_stats.ioctl_rx,
                KB(dhdp->dma_stats.ioctl_rx_sz));
#endif /* !IOCTLRESP_USE_CONSTMEM */
    bcm_bprintf(strbuf,
                "EVENT RX: %lu size: %luK, INFO RX: %lu size: %luK, "
                "TSBUF RX: %lu size %luK\n",
                dhdp->dma_stats.event_rx, KB(dhdp->dma_stats.event_rx_sz),
                dhdp->dma_stats.info_rx, KB(dhdp->dma_stats.info_rx_sz),
                dhdp->dma_stats.tsbuf_rx, KB(dhdp->dma_stats.tsbuf_rx_sz));
    bcm_bprintf(strbuf, "Total : %luK \n",
                KB(dhdp->dma_stats.txdata_sz + dhdp->dma_stats.rxdata_sz +
                   dhdp->dma_stats.ioctl_rx_sz + dhdp->dma_stats.event_rx_sz +
                   dhdp->dma_stats.tsbuf_rx_sz));
#endif /* DMAMAP_STATS */
    bcm_bprintf(strbuf, "dhd_induce_error : %u\n", dhdp->dhd_induce_error);
    /* Add any prot info */
    dhd_prot_dump(dhdp, strbuf);
    bcm_bprintf(strbuf, "\n");

    /* Add any bus info */
    dhd_bus_dump(dhdp, strbuf);

#if defined(DHD_LB_STATS)
    dhd_lb_stats_dump(dhdp, strbuf);
#endif /* DHD_LB_STATS */
#ifdef DHD_WET
    if (dhd_get_wet_mode(dhdp)) {
        bcm_bprintf(strbuf, "Wet Dump:\n");
        dhd_wet_dump(dhdp, strbuf);
    }
#endif /* DHD_WET */

    /* return remaining buffer length */
    return (!strbuf->size ? BCME_BUFTOOSHORT : strbuf->size);
}

void dhd_dump_to_kernelog(dhd_pub_t *dhdp)
{
    char buf[512];

    DHD_ERROR(("F/W version: %s\n", fw_version));
    bcm_bprintf_bypass = TRUE;
    dhd_dump(dhdp, buf, sizeof(buf));
    bcm_bprintf_bypass = FALSE;
}

int dhd_wl_ioctl_cmd(dhd_pub_t *dhd_pub, int cmd, void *arg, int len, uint8 set,
                     int ifidx)
{
    wl_ioctl_t ioc;

    ioc.cmd = cmd;
    ioc.buf = arg;
    ioc.len = len;
    ioc.set = set;

    return dhd_wl_ioctl(dhd_pub, ifidx, &ioc, arg, len);
}

int dhd_wl_ioctl_get_intiovar(dhd_pub_t *dhd_pub, char *name, uint *pval,
                              int cmd, uint8 set, int ifidx)
{
    char iovbuf[WLC_IOCTL_SMLEN];
    int ret = -1;

    memset(iovbuf, 0, sizeof(iovbuf));
    if (bcm_mkiovar(name, NULL, 0, iovbuf, sizeof(iovbuf))) {
        ret =
            dhd_wl_ioctl_cmd(dhd_pub, cmd, iovbuf, sizeof(iovbuf), set, ifidx);
        if (!ret) {
            *pval = ltoh32(*((uint *)iovbuf));
        } else {
            DHD_ERROR(("%s: get int iovar %s failed, ERR %d\n", __FUNCTION__,
                       name, ret));
        }
    } else {
        DHD_ERROR(("%s: mkiovar %s failed\n", __FUNCTION__, name));
    }

    return ret;
}

int dhd_wl_ioctl_set_intiovar(dhd_pub_t *dhd_pub, char *name, uint val, int cmd,
                              uint8 set, int ifidx)
{
    char iovbuf[WLC_IOCTL_SMLEN];
    int ret = -1;
    int lval = htol32(val);
    uint len;

    len =
        bcm_mkiovar(name, (char *)&lval, sizeof(lval), iovbuf, sizeof(iovbuf));
    if (len) {
        ret = dhd_wl_ioctl_cmd(dhd_pub, cmd, iovbuf, len, set, ifidx);
        if (ret) {
            DHD_ERROR(("%s: set int iovar %s failed, ERR %d\n", __FUNCTION__,
                       name, ret));
        }
    } else {
        DHD_ERROR(("%s: mkiovar %s failed\n", __FUNCTION__, name));
    }

    return ret;
}

static struct ioctl2str_s {
    uint32 ioctl;
    char *name;
} ioctl2str_array[] = {{WLC_UP, "UP"},
                       {WLC_DOWN, "DOWN"},
                       {WLC_SET_PROMISC, "SET_PROMISC"},
                       {WLC_SET_INFRA, "SET_INFRA"},
                       {WLC_SET_AUTH, "SET_AUTH"},
                       {WLC_SET_SSID, "SET_SSID"},
                       {WLC_RESTART, "RESTART"},
                       {WLC_SET_CHANNEL, "SET_CHANNEL"},
                       {WLC_SET_RATE_PARAMS, "SET_RATE_PARAMS"},
                       {WLC_SET_KEY, "SET_KEY"},
                       {WLC_SCAN, "SCAN"},
                       {WLC_DISASSOC, "DISASSOC"},
                       {WLC_REASSOC, "REASSOC"},
                       {WLC_SET_COUNTRY, "SET_COUNTRY"},
                       {WLC_SET_WAKE, "SET_WAKE"},
                       {WLC_SET_SCANSUPPRESS, "SET_SCANSUPPRESS"},
                       {WLC_SCB_DEAUTHORIZE, "SCB_DEAUTHORIZE"},
                       {WLC_SET_WSEC, "SET_WSEC"},
                       {WLC_SET_INTERFERENCE_MODE, "SET_INTERFERENCE_MODE"},
                       {WLC_SET_RADAR, "SET_RADAR"},
                       {0, NULL}};

static char *ioctl2str(uint32 ioctl)
{
    struct ioctl2str_s *p = ioctl2str_array;

    while (p->name != NULL) {
        if (p->ioctl == ioctl) {
            return p->name;
        }
        p++;
    }

    return "";
}

/**
 * @param ioc          IO control struct, members are partially used by this
 * function.
 * @param buf [inout]  Contains parameters to send to dongle, contains dongle
 * response on return.
 * @param len          Maximum number of bytes that dongle is allowed to write
 * into 'buf'.
 */
int dhd_wl_ioctl(dhd_pub_t *dhd_pub, int ifidx, wl_ioctl_t *ioc, void *buf,
                 int len)
{
    int ret = BCME_ERROR;
    unsigned long flags;
#ifdef DUMP_IOCTL_IOV_LIST
    dhd_iov_li_t *iov_li;
#endif /* DUMP_IOCTL_IOV_LIST */
    int hostsleep_set = 0;
    int hostsleep_val = 0;

#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
    DHD_OS_WAKE_LOCK(dhd_pub);
    if (pm_runtime_get_sync(dhd_bus_to_dev(dhd_pub->bus)) < 0) {
        DHD_RPM(("%s: pm_runtime_get_sync error. \n", __FUNCTION__));
        DHD_OS_WAKE_UNLOCK(dhd_pub);
        return BCME_ERROR;
    }
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */

#ifdef KEEPIF_ON_DEVICE_RESET
    if (ioc->cmd == WLC_GET_VAR) {
        dbus_config_t config;
        config.general_param = 0;
        if (buf) {
            if (!strcmp(buf, "wowl_activate")) {
                /* 1 (TRUE) after decreased by 1 */
                config.general_param = 0x2;
            } else if (!strcmp(buf, "wowl_clear")) {
                /* 0 (FALSE) after decreased by 1 */
                config.general_param = 1;
            }
        }
        if (config.general_param) {
            config.config_id = DBUS_CONFIG_ID_KEEPIF_ON_DEVRESET;
            config.general_param--;
            dbus_set_config(dhd_pub->dbus, &config);
        }
    }
#endif /* KEEPIF_ON_DEVICE_RESET */

    if (dhd_os_proto_block(dhd_pub)) {
#ifdef DHD_LOG_DUMP
        int slen, val, lval, min_len;
        char *msg, tmp[64];

        /* WLC_GET_VAR */
        if (ioc->cmd == WLC_GET_VAR && buf) {
            min_len = MIN(sizeof(tmp) - 1, strlen(buf));
            memset(tmp, 0, sizeof(tmp));
            bcopy(buf, tmp, min_len);
            tmp[min_len] = '\0';
        }
#endif /* DHD_LOG_DUMP */

#ifdef DHD_DISCONNECT_TRACE
        if ((WLC_DISASSOC == ioc->cmd) || (WLC_DOWN == ioc->cmd) ||
            (WLC_DISASSOC_MYAP == ioc->cmd)) {
            DHD_ERROR(("IOCTL Disconnect WiFi: %d\n", ioc->cmd));
        }
#endif /* HW_DISCONNECT_TRACE */

        /* logging of iovars that are send to the dongle, ./dhd msglevel +iovar
         */
        if (ioc->set == TRUE) {
            char *pars = (char *)buf; // points at user buffer
            if (ioc->cmd == WLC_SET_VAR && buf) {
                DHD_DNGL_IOVAR_SET(("iovar:%d: set %s", ifidx, pars));
                if (ioc->len > 1 + sizeof(uint32)) {
                    // skip iovar name:
                    pars += strnlen(pars, ioc->len - 1 - sizeof(uint32));
                    pars++; // skip NULL character
                }
            } else {
                DHD_DNGL_IOVAR_SET(("ioctl:%d: set %d %s", ifidx, ioc->cmd,
                                    ioctl2str(ioc->cmd)));
            }
            if (pars != NULL) {
                DHD_DNGL_IOVAR_SET((" 0x%x\n", *(uint32 *)pars));
            } else {
                DHD_DNGL_IOVAR_SET((" NULL\n"));
            }
        }

        DHD_LINUX_GENERAL_LOCK(dhd_pub, flags);
        if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhd_pub)) {
            DHD_INFO(("%s: returning as busstate=%d\n", __FUNCTION__,
                      dhd_pub->busstate));
            DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);
            dhd_os_proto_unblock(dhd_pub);
            return -ENODEV;
        }
        DHD_BUS_BUSY_SET_IN_IOVAR(dhd_pub);
        DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);

        DHD_LINUX_GENERAL_LOCK(dhd_pub, flags);
        if (DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(dhd_pub)) {
            DHD_ERROR(
                ("%s: bus is in suspend(%d) or suspending(0x%x) state!!\n",
                 __FUNCTION__, dhd_pub->busstate, dhd_pub->dhd_bus_busy_state));
            DHD_BUS_BUSY_CLEAR_IN_IOVAR(dhd_pub);
            dhd_os_busbusy_wake(dhd_pub);
            DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);
            dhd_os_proto_unblock(dhd_pub);
            return -ENODEV;
        }
        DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);

#ifdef DUMP_IOCTL_IOV_LIST
        if (ioc->cmd != WLC_GET_MAGIC && ioc->cmd != WLC_GET_VERSION && buf) {
            if (!(iov_li = MALLOC(dhd_pub->osh, sizeof(*iov_li)))) {
                DHD_ERROR(("iovar dump list item allocation Failed\n"));
            } else {
                iov_li->cmd = ioc->cmd;
                if (buf) {
                    bcopy((char *)buf, iov_li->buff, strlen((char *)buf) + 1);
                }
                dhd_iov_li_append(dhd_pub, &dhd_pub->dump_iovlist_head,
                                  &iov_li->list);
            }
        }
#endif /* DUMP_IOCTL_IOV_LIST */

        if (dhd_conf_check_hostsleep(dhd_pub, ioc->cmd, ioc->buf, len,
                                     &hostsleep_set, &hostsleep_val, &ret)) {
            goto exit;
        }
        ret = dhd_prot_ioctl(dhd_pub, ifidx, ioc, buf, len);
        dhd_conf_get_hostsleep(dhd_pub, hostsleep_set, hostsleep_val, ret);

#ifdef DUMP_IOCTL_IOV_LIST
        if (ret == -ETIMEDOUT) {
            DHD_ERROR(("Last %d issued commands: Latest one is at bottom.\n",
                       IOV_LIST_MAX_LEN));
            dhd_iov_li_print(&dhd_pub->dump_iovlist_head);
        }
#endif /* DUMP_IOCTL_IOV_LIST */
#ifdef DHD_LOG_DUMP
        if ((ioc->cmd == WLC_GET_VAR || ioc->cmd == WLC_SET_VAR) &&
            buf != NULL) {
            if (buf) {
                lval = 0;
                slen = strlen(buf) + 1;
                msg = (char *)buf;
                if (len >= slen + sizeof(lval)) {
                    if (ioc->cmd == WLC_GET_VAR) {
                        msg = tmp;
                        lval = *(int *)buf;
                    } else {
                        min_len = MIN(ioc->len - slen, sizeof(int));
                        bcopy((msg + slen), &lval, min_len);
                    }
                    if (!strncmp(msg, "cur_etheraddr",
                                 strlen("cur_etheraddr"))) {
                        lval = 0;
                    }
                }
                DHD_IOVAR_MEM(
                    ("%s: cmd: %d, msg: %s val: 0x%x,"
                     " len: %d, set: %d, txn-id: %d\n",
                     ioc->cmd == WLC_GET_VAR ? "WLC_GET_VAR" : "WLC_SET_VAR",
                     ioc->cmd, msg, lval, ioc->len, ioc->set,
                     dhd_prot_get_ioctl_trans_id(dhd_pub)));
            } else {
                DHD_IOVAR_MEM(
                    ("%s: cmd: %d, len: %d, set: %d, txn-id: %d\n",
                     ioc->cmd == WLC_GET_VAR ? "WLC_GET_VAR" : "WLC_SET_VAR",
                     ioc->cmd, ioc->len, ioc->set,
                     dhd_prot_get_ioctl_trans_id(dhd_pub)));
            }
        } else {
            slen = ioc->len;
            if (buf != NULL && slen != 0) {
                if (slen >= 0x4) {
                    val = *(int *)buf;
                } else if (slen >= 0x2) {
                    val = *(short *)buf;
                } else {
                    val = *(char *)buf;
                }
                /* Do not dump for WLC_GET_MAGIC and WLC_GET_VERSION */
                if (ioc->cmd != WLC_GET_MAGIC && ioc->cmd != WLC_GET_VERSION) {
                    DHD_IOVAR_MEM(("WLC_IOCTL: cmd: %d, val: %d, len: %d, "
                                   "set: %d\n",
                                   ioc->cmd, val, ioc->len, ioc->set));
                }
            } else {
                DHD_IOVAR_MEM(("WLC_IOCTL: cmd: %d, buf is NULL\n", ioc->cmd));
            }
        }
#endif /* DHD_LOG_DUMP */
        if (ret && dhd_pub->up) {
            /* Send hang event only if dhd_open() was success */
            dhd_os_check_hang(dhd_pub, ifidx, ret);
        }

        if (ret == -ETIMEDOUT && !dhd_pub->up) {
            DHD_ERROR(("%s: 'resumed on timeout' error is "
                       "occurred before the interface does not"
                       " bring up\n",
                       __FUNCTION__));
        }

    exit:
        DHD_LINUX_GENERAL_LOCK(dhd_pub, flags);
        DHD_BUS_BUSY_CLEAR_IN_IOVAR(dhd_pub);
        dhd_os_busbusy_wake(dhd_pub);
        DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);

        dhd_os_proto_unblock(dhd_pub);
    }

#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
    pm_runtime_mark_last_busy(dhd_bus_to_dev(dhd_pub->bus));
    pm_runtime_put_autosuspend(dhd_bus_to_dev(dhd_pub->bus));

    DHD_OS_WAKE_UNLOCK(dhd_pub);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */

#ifdef WL_MONITOR
    /* Intercept monitor ioctl here, add/del monitor if */
    if (ret == BCME_OK && ioc->cmd == WLC_SET_MONITOR) {
        int val = 0;
        if (buf != NULL && len != 0) {
            if (len >= 0x4) {
                val = *(int *)buf;
            } else if (len >= 0x2) {
                val = *(short *)buf;
            } else {
                val = *(char *)buf;
            }
        }
        dhd_set_monitor(dhd_pub, ifidx, val);
    }
#endif /* WL_MONITOR */

    return ret;
}

uint wl_get_port_num(wl_io_pport_t *io_pport)
{
    return 0;
}

/* Get bssidx from iovar params
 * Input:   dhd_pub - pointer to dhd_pub_t
 *	    params  - IOVAR params
 * Output:  idx	    - BSS index
 *	    val	    - ponter to the IOVAR arguments
 */
static int dhd_iovar_parse_bssidx(dhd_pub_t *dhd_pub, const char *params,
                                  uint32 *idx, const char **val)
{
    char *prefix = "bsscfg:";
    uint32 bssidx;

    if (!(strncmp(params, prefix, strlen(prefix)))) {
        /* per bss setting should be prefixed with 'bsscfg:' */
        const char *p = params + strlen(prefix);

        /* Skip Name */
        while (*p != '\0') {
            p++;
        }
        /* consider null */
        p = p + 1;
        bcopy(p, &bssidx, sizeof(uint32));
        /* Get corresponding dhd index */
        bssidx = dhd_bssidx2idx(dhd_pub, htod32(bssidx));
        if (bssidx >= DHD_MAX_IFS) {
            DHD_ERROR(("%s Wrong bssidx provided\n", __FUNCTION__));
            return BCME_ERROR;
        }

        /* skip bss idx */
        p += sizeof(uint32);
        *val = p;
        *idx = bssidx;
    } else {
        DHD_ERROR(("%s: bad parameter for per bss iovar\n", __FUNCTION__));
        return BCME_ERROR;
    }

    return BCME_OK;
}

#if defined(DHD_DEBUG) && defined(BCMDBUS)
/* USB Device console input function */
int dhd_bus_console_in(dhd_pub_t *dhd, uchar *msg, uint msglen)
{
    DHD_TRACE(("%s \n", __FUNCTION__));

    return dhd_iovar(dhd, 0, "cons", msg, msglen, NULL, 0, TRUE);
}
#endif /* DHD_DEBUG && BCMDBUS  */

#ifdef DHD_DEBUG
int dhd_mem_debug(dhd_pub_t *dhd, uchar *msg, uint msglen)
{
    unsigned long int_arg = 0;
    char *p;
    char *end_ptr = NULL;
    dhd_dbg_mwli_t *mw_li;
    dll_t *item, *next;
    /* check if mwalloc, mwquery or mwfree was supplied arguement with space */
    p = bcmstrstr((char *)msg, " ");
    if (p != NULL) {
        /* space should be converted to null as separation flag for firmware */
        *p = '\0';
        /* store the argument in int_arg */
        int_arg = bcm_strtoul(p + 1, &end_ptr, 0xA);
    }

    if (!p && !strcmp(msg, "query")) {
        /* lets query the list inetrnally */
        if (dll_empty(dll_head_p(&dhd->mw_list_head))) {
            DHD_ERROR((
                "memwaste list is empty, call mwalloc < size > to allocate\n"));
        } else {
            for (item = dll_head_p(&dhd->mw_list_head);
                 !dll_end(&dhd->mw_list_head, item); item = next) {
                next = dll_next_p(item);
                mw_li =
                    (dhd_dbg_mwli_t *)CONTAINEROF(item, dhd_dbg_mwli_t, list);
                DHD_ERROR(("item: <id=%d, size=%d>\n", mw_li->id, mw_li->size));
            }
        }
    } else if (p && end_ptr && (*end_ptr == '\0') && !strcmp(msg, "alloc")) {
        int32 alloc_handle;
        /* convert size into KB and append as integer */
        *((int32 *)(p + 1)) = int_arg * 0x400;
        *(p + 1 + sizeof(int32)) = '\0';

        /* recalculated length -> 5 bytes for "alloc" + 4 bytes for size +
         * 1 bytes for null caracter
         */
        msglen = strlen(msg) + sizeof(int32) + 1;
        if (dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, msg, msglen + 1, FALSE, 0) < 0) {
            DHD_ERROR(("IOCTL failed for memdebug alloc\n"));
        }

        /* returned allocated handle from dongle, basically address of the
         * allocated unit */
        alloc_handle = *((int32 *)msg);

        /* add a node in the list with tuple <id, handle, size> */
        if (alloc_handle == 0) {
            DHD_ERROR(("Reuqested size could not be allocated\n"));
        } else if (!(mw_li = MALLOC(dhd->osh, sizeof(*mw_li)))) {
            DHD_ERROR(("mw list item allocation Failed\n"));
        } else {
            mw_li->id = dhd->mw_id++;
            mw_li->handle = alloc_handle;
            mw_li->size = int_arg;
            /* append the node in the list */
            dll_append(&dhd->mw_list_head, &mw_li->list);
        }
    } else if (p && end_ptr && (*end_ptr == '\0') && !strcmp(msg, "free")) {
        /* inform dongle to free wasted chunk */
        int handle = 0;
        int size = 0;
        for (item = dll_head_p(&dhd->mw_list_head);
             !dll_end(&dhd->mw_list_head, item); item = next) {
            next = dll_next_p(item);
            mw_li = (dhd_dbg_mwli_t *)CONTAINEROF(item, dhd_dbg_mwli_t, list);
            if (mw_li->id == (int)int_arg) {
                handle = mw_li->handle;
                size = mw_li->size;
                dll_delete(item);
                MFREE(dhd->osh, mw_li, sizeof(*mw_li));
                if (dll_empty(dll_head_p(&dhd->mw_list_head))) {
                    /* reset the id */
                    dhd->mw_id = 0;
                }
            }
        }
        if (handle) {
            int len;
            /* append the free handle and the chunk size in first 8 bytes
             * after the command and null character
             */
            *((int32 *)(p + 1)) = handle;
            *((int32 *)((p + 1) + sizeof(int32))) = size;
            /* append null as terminator */
            *(p + 1 + 0x2 * sizeof(int32)) = '\0';
            /* recalculated length -> 4 bytes for "free" + 8 bytes for hadnle
             * and size
             * + 1 bytes for null caracter
             */
            len = strlen(msg) + 0x2 * sizeof(int32) + 1;
            /* send iovar to free the chunk */
            if (dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, msg, len, FALSE, 0) < 0) {
                DHD_ERROR(("IOCTL failed for memdebug free\n"));
            }
        } else {
            DHD_ERROR(("specified id does not exist\n"));
        }
    } else {
        /* for all the wrong argument formats */
        return BCME_BADARG;
    }
    return 0;
}
extern void dhd_mw_list_delete(dhd_pub_t *dhd, dll_t *list_head)
{
    dll_t *item;
    dhd_dbg_mwli_t *mw_li;
    while (!(dll_empty(list_head))) {
        item = dll_head_p(list_head);
        mw_li = (dhd_dbg_mwli_t *)CONTAINEROF(item, dhd_dbg_mwli_t, list);
        dll_delete(item);
        MFREE(dhd->osh, mw_li, sizeof(*mw_li));
    }
}
#ifdef BCMPCIE
int dhd_flow_ring_debug(dhd_pub_t *dhd, char *msg, uint msglen)
{
    flow_ring_table_t *flow_ring_table;
    char *cmd;
    char *end_ptr = NULL;
    uint8 prio;
    uint16 flowid;
    int i;
    int ret = 0;
    cmd = bcmstrstr(msg, " ");
    BCM_REFERENCE(prio);
    if (cmd != NULL) {
        /* in order to use string operations append null */
        *cmd = '\0';
    } else {
        DHD_ERROR(("missing: create/delete args\n"));
        return BCME_ERROR;
    }
    if (cmd && !strcmp(msg, "create")) {
        /* extract <"source address", "destination address", "priority"> */
        uint8 sa[ETHER_ADDR_LEN], da[ETHER_ADDR_LEN];
        BCM_REFERENCE(sa);
        BCM_REFERENCE(da);
        msg = msg + strlen("create") + 1;
        /* fill ethernet source address */
        for (i = 0; i < ETHER_ADDR_LEN; i++) {
            sa[i] = (uint8)bcm_strtoul(msg, &end_ptr, 0x10);
            if (*end_ptr == ':') {
                msg = (end_ptr + 1);
            } else if (i != 0x5) {
                DHD_ERROR(("not a valid source mac addr\n"));
                return BCME_ERROR;
            }
        }
        if (*end_ptr != ' ') {
            DHD_ERROR(("missing: destiantion mac id\n"));
            return BCME_ERROR;
        } else {
            /* skip space */
            msg = end_ptr + 1;
        }
        /* fill ethernet destination address */
        for (i = 0; i < ETHER_ADDR_LEN; i++) {
            da[i] = (uint8)bcm_strtoul(msg, &end_ptr, 0x10);
            if (*end_ptr == ':') {
                msg = (end_ptr + 1);
            } else if (i != 0x5) {
                DHD_ERROR(("not a valid destination  mac addr\n"));
                return BCME_ERROR;
            }
        }
        if (*end_ptr != ' ') {
            DHD_ERROR(("missing: priority\n"));
            return BCME_ERROR;
        } else {
            msg = end_ptr + 1;
        }
        /* parse priority */
        prio = (uint8)bcm_strtoul(msg, &end_ptr, 0xA);
        if (prio > MAXPRIO) {
            DHD_ERROR(("%s: invalid priority. Must be between 0-7 inclusive\n",
                       __FUNCTION__));
            return BCME_ERROR;
        }

        if (*end_ptr != '\0') {
            DHD_ERROR(("msg not truncated with NULL character\n"));
            return BCME_ERROR;
        }
        ret = dhd_flowid_debug_create(dhd, 0, prio, (char *)sa, (char *)da,
                                      &flowid);
        if (ret != BCME_OK) {
            DHD_ERROR(
                ("%s: flowring creation failed ret: %d\n", __FUNCTION__, ret));
            return BCME_ERROR;
        }
        return BCME_OK;
    } else if (cmd && !strcmp(msg, "delete")) {
        msg = msg + strlen("delete") + 1;
        /* parse flowid */
        flowid = (uint16)bcm_strtoul(msg, &end_ptr, 0xA);
        if (*end_ptr != '\0') {
            DHD_ERROR(("msg not truncated with NULL character\n"));
            return BCME_ERROR;
        }

        /* Find flowid from ifidx 0 since this IOVAR creating flowring with
         * ifidx 0 */
        if (dhd_flowid_find_by_ifidx(dhd, 0, flowid) != BCME_OK) {
            DHD_ERROR(("%s : Deleting not created flowid: %u\n", __FUNCTION__,
                       flowid));
            return BCME_ERROR;
        }

        flow_ring_table = (flow_ring_table_t *)dhd->flow_ring_table;
        ret = dhd_bus_flow_ring_delete_request(
            dhd->bus, (void *)&flow_ring_table[flowid]);
        if (ret != BCME_OK) {
            DHD_ERROR(
                ("%s: flowring deletion failed ret: %d\n", __FUNCTION__, ret));
            return BCME_ERROR;
        }
        return BCME_OK;
    }
    DHD_ERROR(("%s: neither create nor delete\n", __FUNCTION__));
    return BCME_ERROR;
}
#endif /* BCMPCIE */
#endif /* DHD_DEBUG */

static int dhd_doiovar(dhd_pub_t *dhd_pub, const bcm_iovar_t *vi,
                       uint32 actionid, const char *name, void *params,
                       int plen, void *arg, int len, int val_size)
{
    int bcmerror = 0;
    int32 int_val = 0;
    uint32 dhd_ver_len, bus_api_rev_len;

    DHD_TRACE(("%s: Enter\n", __FUNCTION__));
    DHD_TRACE(("%s: actionid = %d; name %s\n", __FUNCTION__, actionid, name));

    if ((bcmerror = bcm_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid))) !=
        0) {
        goto exit;
    }

    if (plen >= (int)sizeof(int_val)) {
        bcopy(params, &int_val, sizeof(int_val));
    }

    switch (actionid) {
        case IOV_GVAL(IOV_VERSION):
            /* Need to have checked buffer length */
            dhd_ver_len = strlen(dhd_version);
            bus_api_rev_len = strlen(bus_api_revision);
            if (dhd_ver_len) {
                bcm_strncpy_s((char *)arg, dhd_ver_len, dhd_version,
                              dhd_ver_len);
            }
            if (bus_api_rev_len) {
                bcm_strncat_s((char *)arg + dhd_ver_len, bus_api_rev_len,
                              bus_api_revision, bus_api_rev_len);
            }
            break;

        case IOV_GVAL(IOV_WLMSGLEVEL):
            printf("ohos_msg_level=0x%x\n", ohos_msg_level);
            printf("config_msg_level=0x%x\n", config_msg_level);
#if defined(WL_WIRELESS_EXT)
            int_val = (int32)iw_msg_level;
            bcopy(&int_val, arg, val_size);
            printf("iw_msg_level=0x%x\n", iw_msg_level);
#endif
#ifdef WL_CFG80211
            int_val = (int32)wl_dbg_level;
            bcopy(&int_val, arg, val_size);
            printf("cfg_msg_level=0x%x\n", wl_dbg_level);
#endif
            break;

        case IOV_SVAL(IOV_WLMSGLEVEL):
            if (int_val & DHD_OHOS_VAL) {
                ohos_msg_level = (uint)(int_val & 0xFFFF);
                printf("ohos_msg_level=0x%x\n", ohos_msg_level);
            }
            if (int_val & DHD_CONFIG_VAL) {
                config_msg_level = (uint)(int_val & 0xFFFF);
                printf("config_msg_level=0x%x\n", config_msg_level);
            }
#if defined(WL_WIRELESS_EXT)
            if (int_val & DHD_IW_VAL) {
                iw_msg_level = (uint)(int_val & 0xFFFF);
                printf("iw_msg_level=0x%x\n", iw_msg_level);
            }
#endif
#ifdef WL_CFG80211
            if (int_val & DHD_CFG_VAL) {
                wl_cfg80211_enable_trace((u32)(int_val & 0xFFFF));
            }
#endif
            break;

        case IOV_GVAL(IOV_MSGLEVEL):
            int_val = (int32)dhd_msg_level;
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_MSGLEVEL):
            dhd_msg_level = int_val;
            break;

        case IOV_GVAL(IOV_BCMERRORSTR):
            bcm_strncpy_s((char *)arg, len, bcmerrorstr(dhd_pub->bcmerror),
                          BCME_STRLEN);
            ((char *)arg)[BCME_STRLEN - 1] = 0x00;
            break;

        case IOV_GVAL(IOV_BCMERROR):
            int_val = (int32)dhd_pub->bcmerror;
            bcopy(&int_val, arg, val_size);
            break;

#ifndef BCMDBUS
        case IOV_GVAL(IOV_WDTICK):
            int_val = (int32)dhd_watchdog_ms;
            bcopy(&int_val, arg, val_size);
            break;
#endif /* !BCMDBUS */

        case IOV_SVAL(IOV_WDTICK):
            if (!dhd_pub->up) {
                bcmerror = BCME_NOTUP;
                break;
            }

            dhd_watchdog_ms = (uint)int_val;

            dhd_os_wd_timer(dhd_pub, (uint)int_val);
            break;

        case IOV_GVAL(IOV_DUMP):
            if (dhd_dump(dhd_pub, arg, len) <= 0) {
                bcmerror = BCME_ERROR;
            } else {
                bcmerror = BCME_OK;
            }
            break;

#ifndef BCMDBUS
        case IOV_GVAL(IOV_DCONSOLE_POLL):
            int_val = (int32)dhd_pub->dhd_console_ms;
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_DCONSOLE_POLL):
            dhd_pub->dhd_console_ms = (uint)int_val;
            break;

#if defined(DHD_DEBUG)
        case IOV_SVAL(IOV_CONS):
            if (len > 0) {
#ifdef CONSOLE_DPC
                bcmerror = dhd_bus_txcons(dhd_pub, arg, len - 1);
#else
                bcmerror = dhd_bus_console_in(dhd_pub, arg, len - 1);
#endif
            }
            break;
#endif /* DHD_DEBUG */
#endif /* !BCMDBUS */

        case IOV_SVAL(IOV_CLEARCOUNTS):
            dhd_pub->tx_packets = dhd_pub->rx_packets = 0;
            dhd_pub->tx_errors = dhd_pub->rx_errors = 0;
            dhd_pub->tx_ctlpkts = dhd_pub->rx_ctlpkts = 0;
            dhd_pub->tx_ctlerrs = dhd_pub->rx_ctlerrs = 0;
            dhd_pub->tx_dropped = 0;
            dhd_pub->rx_dropped = 0;
            dhd_pub->tx_pktgetfail = 0;
            dhd_pub->rx_pktgetfail = 0;
            dhd_pub->rx_readahead_cnt = 0;
            dhd_pub->tx_realloc = 0;
            dhd_pub->wd_dpc_sched = 0;
            dhd_pub->tx_big_packets = 0;
            memset(&dhd_pub->dstats, 0, sizeof(dhd_pub->dstats));
            dhd_bus_clearcounts(dhd_pub);
#ifdef PROP_TXSTATUS
            /* clear proptxstatus related counters */
            dhd_wlfc_clear_counts(dhd_pub);
#endif /* PROP_TXSTATUS */
#if defined(DHD_LB_STATS)
            DHD_LB_STATS_RESET(dhd_pub);
#endif /* DHD_LB_STATS */
            break;

        case IOV_GVAL(IOV_IOCTLTIMEOUT): {
            int_val = (int32)dhd_os_get_ioctl_resp_timeout();
            bcopy(&int_val, arg, sizeof(int_val));
            break;
        }

        case IOV_SVAL(IOV_IOCTLTIMEOUT): {
            if (int_val <= 0) {
                bcmerror = BCME_BADARG;
            } else {
                dhd_os_set_ioctl_resp_timeout((unsigned int)int_val);
            }
            break;
        }

#ifdef PROP_TXSTATUS
        case IOV_GVAL(IOV_PROPTXSTATUS_ENABLE): {
            bool wlfc_enab = FALSE;
            bcmerror = dhd_wlfc_get_enable(dhd_pub, &wlfc_enab);
            if (bcmerror != BCME_OK) {
                goto exit;
            }
            int_val = wlfc_enab ? 1 : 0;
            bcopy(&int_val, arg, val_size);
            break;
        }
        case IOV_SVAL(IOV_PROPTXSTATUS_ENABLE): {
            bool wlfc_enab = FALSE;
            bcmerror = dhd_wlfc_get_enable(dhd_pub, &wlfc_enab);
            if (bcmerror != BCME_OK) {
                goto exit;
            }

            /* wlfc is already set as desired */
            if (wlfc_enab == (int_val == 0 ? FALSE : TRUE)) {
                goto exit;
            }

            if (int_val == TRUE && disable_proptx) {
                disable_proptx = 0;
            }

            if (int_val == TRUE) {
                bcmerror = dhd_wlfc_init(dhd_pub);
            } else {
                bcmerror = dhd_wlfc_deinit(dhd_pub);
            }

            break;
        }
        case IOV_GVAL(IOV_PROPTXSTATUS_MODE):
            bcmerror = dhd_wlfc_get_mode(dhd_pub, &int_val);
            if (bcmerror != BCME_OK) {
                goto exit;
            }
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_PROPTXSTATUS_MODE):
            dhd_wlfc_set_mode(dhd_pub, int_val);
            break;

        case IOV_GVAL(IOV_PROPTXSTATUS_MODULE_IGNORE):
            bcmerror = dhd_wlfc_get_module_ignore(dhd_pub, &int_val);
            if (bcmerror != BCME_OK) {
                goto exit;
            }
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_PROPTXSTATUS_MODULE_IGNORE):
            dhd_wlfc_set_module_ignore(dhd_pub, int_val);
            break;

        case IOV_GVAL(IOV_PROPTXSTATUS_CREDIT_IGNORE):
            bcmerror = dhd_wlfc_get_credit_ignore(dhd_pub, &int_val);
            if (bcmerror != BCME_OK) {
                goto exit;
            }
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_PROPTXSTATUS_CREDIT_IGNORE):
            dhd_wlfc_set_credit_ignore(dhd_pub, int_val);
            break;

        case IOV_GVAL(IOV_PROPTXSTATUS_TXSTATUS_IGNORE):
            bcmerror = dhd_wlfc_get_txstatus_ignore(dhd_pub, &int_val);
            if (bcmerror != BCME_OK) {
                goto exit;
            }
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_PROPTXSTATUS_TXSTATUS_IGNORE):
            dhd_wlfc_set_txstatus_ignore(dhd_pub, int_val);
            break;

        case IOV_GVAL(IOV_PROPTXSTATUS_RXPKT_CHK):
            bcmerror = dhd_wlfc_get_rxpkt_chk(dhd_pub, &int_val);
            if (bcmerror != BCME_OK) {
                goto exit;
            }
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_PROPTXSTATUS_RXPKT_CHK):
            dhd_wlfc_set_rxpkt_chk(dhd_pub, int_val);
            break;

#endif /* PROP_TXSTATUS */

        case IOV_GVAL(IOV_BUS_TYPE):
            /* The dhd application queries the driver to check if its usb or
             * sdio.  */
#ifdef BCMDBUS
            int_val = BUS_TYPE_USB;
#endif // endif
#ifdef BCMSDIO
            int_val = BUS_TYPE_SDIO;
#endif // endif
#ifdef PCIE_FULL_DONGLE
            int_val = BUS_TYPE_PCIE;
#endif // endif
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_CHANGEMTU):
            int_val &= 0xffff;
            bcmerror = dhd_change_mtu(dhd_pub, int_val, 0);
            break;

        case IOV_GVAL(IOV_HOSTREORDER_FLOWS): {
            uint i = 0;
            uint8 *ptr = (uint8 *)arg;
            uint8 count = 0;

            ptr++;
            for (i = 0; i < WLHOST_REORDERDATA_MAXFLOWS; i++) {
                if (dhd_pub->reorder_bufs[i] != NULL) {
                    *ptr = dhd_pub->reorder_bufs[i]->flow_id;
                    ptr++;
                    count++;
                }
            }
            ptr = (uint8 *)arg;
            *ptr = count;
            break;
        }
#ifdef DHDTCPACK_SUPPRESS
        case IOV_GVAL(IOV_TCPACK_SUPPRESS): {
            int_val = (uint32)dhd_pub->tcpack_sup_mode;
            bcopy(&int_val, arg, val_size);
            break;
        }
        case IOV_SVAL(IOV_TCPACK_SUPPRESS): {
            bcmerror = dhd_tcpack_suppress_set(dhd_pub, (uint8)int_val);
            break;
        }
#endif /* DHDTCPACK_SUPPRESS */

#ifdef DHD_L2_FILTER
        case IOV_GVAL(IOV_DHCP_UNICAST): {
            uint32 bssidx;
            const char *val;
            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: IOV_DHCP_UNICAST: bad parameterand name = %s\n",
                           __FUNCTION__, name));
                bcmerror = BCME_BADARG;
                break;
            }
            int_val = dhd_get_dhcp_unicast_status(dhd_pub, bssidx);
            memcpy(arg, &int_val, val_size);
            break;
        }
        case IOV_SVAL(IOV_DHCP_UNICAST): {
            uint32 bssidx;
            const char *val;
            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: IOV_DHCP_UNICAST: bad parameterand name = %s\n",
                           __FUNCTION__, name));
                bcmerror = BCME_BADARG;
                break;
            }
            memcpy(&int_val, val, sizeof(int_val));
            bcmerror =
                dhd_set_dhcp_unicast_status(dhd_pub, bssidx, int_val ? 1 : 0);
            break;
        }
        case IOV_GVAL(IOV_BLOCK_PING): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(
                    ("%s: IOV_BLOCK_PING: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            int_val = dhd_get_block_ping_status(dhd_pub, bssidx);
            memcpy(arg, &int_val, val_size);
            break;
        }
        case IOV_SVAL(IOV_BLOCK_PING): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(
                    ("%s: IOV_BLOCK_PING: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            memcpy(&int_val, val, sizeof(int_val));
            bcmerror =
                dhd_set_block_ping_status(dhd_pub, bssidx, int_val ? 1 : 0);
            break;
        }
        case IOV_GVAL(IOV_PROXY_ARP): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: IOV_PROXY_ARP: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            int_val = dhd_get_parp_status(dhd_pub, bssidx);
            bcopy(&int_val, arg, val_size);
            break;
        }
        case IOV_SVAL(IOV_PROXY_ARP): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: IOV_PROXY_ARP: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            bcopy(val, &int_val, sizeof(int_val));

            /* Issue a iovar request to WL to update the proxy arp capability
             * bit in the Extended Capability IE of beacons/probe responses.
             */
            bcmerror = dhd_iovar(dhd_pub, bssidx, "proxy_arp_advertise", val,
                                 sizeof(int_val), NULL, 0, TRUE);
            if (bcmerror == BCME_OK) {
                dhd_set_parp_status(dhd_pub, bssidx, int_val ? 1 : 0);
            }
            break;
        }
        case IOV_GVAL(IOV_GRAT_ARP): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: IOV_GRAT_ARP: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            int_val = dhd_get_grat_arp_status(dhd_pub, bssidx);
            memcpy(arg, &int_val, val_size);
            break;
        }
        case IOV_SVAL(IOV_GRAT_ARP): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: IOV_GRAT_ARP: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            memcpy(&int_val, val, sizeof(int_val));
            bcmerror =
                dhd_set_grat_arp_status(dhd_pub, bssidx, int_val ? 1 : 0);
            break;
        }
        case IOV_GVAL(IOV_BLOCK_TDLS): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(
                    ("%s: IOV_BLOCK_TDLS: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            int_val = dhd_get_block_tdls_status(dhd_pub, bssidx);
            memcpy(arg, &int_val, val_size);
            break;
        }
        case IOV_SVAL(IOV_BLOCK_TDLS): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(
                    ("%s: IOV_BLOCK_TDLS: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            memcpy(&int_val, val, sizeof(int_val));
            bcmerror =
                dhd_set_block_tdls_status(dhd_pub, bssidx, int_val ? 1 : 0);
            break;
        }
#endif /* DHD_L2_FILTER */
        case IOV_SVAL(IOV_DHD_IE): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: dhd ie: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }

            break;
        }
        case IOV_GVAL(IOV_AP_ISOLATE): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: ap isoalate: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }

            int_val = dhd_get_ap_isolate(dhd_pub, bssidx);
            bcopy(&int_val, arg, val_size);
            break;
        }
        case IOV_SVAL(IOV_AP_ISOLATE): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: ap isolate: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }

            ASSERT(val);
            bcopy(val, &int_val, sizeof(uint32));
            dhd_set_ap_isolate(dhd_pub, bssidx, int_val);
            break;
        }
#ifdef DHD_PSTA
        case IOV_GVAL(IOV_PSTA): {
            int_val = dhd_get_psta_mode(dhd_pub);
            bcopy(&int_val, arg, val_size);
            break;
        }
        case IOV_SVAL(IOV_PSTA): {
            if (int_val >= DHD_MODE_PSTA_DISABLED && int_val <= DHD_MODE_PSR) {
                dhd_set_psta_mode(dhd_pub, int_val);
            } else {
                bcmerror = BCME_RANGE;
            }
            break;
        }
#endif /* DHD_PSTA */
#ifdef DHD_WET
        case IOV_GVAL(IOV_WET):
            int_val = dhd_get_wet_mode(dhd_pub);
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_WET):
            if (int_val == 0 || int_val == 1) {
                dhd_set_wet_mode(dhd_pub, int_val);
                /* Delete the WET DB when disabled */
                if (!int_val) {
                    dhd_wet_sta_delete_list(dhd_pub);
                }
            } else {
                bcmerror = BCME_RANGE;
            }
            break;
        case IOV_SVAL(IOV_WET_HOST_IPV4):
            dhd_set_wet_host_ipv4(dhd_pub, params, plen);
            break;
        case IOV_SVAL(IOV_WET_HOST_MAC):
            dhd_set_wet_host_mac(dhd_pub, params, plen);
            break;
#endif /* DHD_WET */
#ifdef DHD_MCAST_REGEN
        case IOV_GVAL(IOV_MCAST_REGEN_BSS_ENABLE): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, (char *)name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: mcast_regen_bss_enable: bad parameter\n",
                           __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }

            int_val = dhd_get_mcast_regen_bss_enable(dhd_pub, bssidx);
            bcopy(&int_val, arg, val_size);
            break;
        }

        case IOV_SVAL(IOV_MCAST_REGEN_BSS_ENABLE): {
            uint32 bssidx;
            const char *val;

            if (dhd_iovar_parse_bssidx(dhd_pub, (char *)name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: mcast_regen_bss_enable: bad parameter\n",
                           __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }

            ASSERT(val);
            bcopy(val, &int_val, sizeof(uint32));
            dhd_set_mcast_regen_bss_enable(dhd_pub, bssidx, int_val);
            break;
        }
#endif /* DHD_MCAST_REGEN */

        case IOV_GVAL(IOV_CFG80211_OPMODE): {
            int_val = (int32)dhd_pub->op_mode;
            bcopy(&int_val, arg, sizeof(int_val));
            break;
        }
        case IOV_SVAL(IOV_CFG80211_OPMODE): {
            if (int_val <= 0) {
                bcmerror = BCME_BADARG;
            } else {
                dhd_pub->op_mode = int_val;
            }
            break;
        }

        case IOV_GVAL(IOV_ASSERT_TYPE):
            int_val = g_assert_type;
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_SVAL(IOV_ASSERT_TYPE):
            g_assert_type = (uint32)int_val;
            break;

#if !defined(MACOSX_DHD)
        case IOV_GVAL(IOV_LMTEST): {
            *(uint32 *)arg = (uint32)lmtest;
            break;
        }

        case IOV_SVAL(IOV_LMTEST): {
            uint32 val = *(uint32 *)arg;
            if (val > 0x32) {
                bcmerror = BCME_BADARG;
            } else {
                lmtest = (uint)val;
                DHD_ERROR(("%s: lmtest %s\n", __FUNCTION__,
                           (lmtest == FALSE) ? "OFF" : "ON"));
            }
            break;
        }
#endif // endif

#ifdef SHOW_LOGTRACE
        case IOV_GVAL(IOV_DUMP_TRACE_LOG): {
            trace_buf_info_t *trace_buf_info = (trace_buf_info_t *)arg;
            dhd_dbg_ring_t *dbg_verbose_ring = NULL;

            dbg_verbose_ring =
                dhd_dbg_get_ring_from_ring_id(dhd_pub, FW_VERBOSE_RING_ID);
            if (dbg_verbose_ring == NULL) {
                DHD_ERROR(("dbg_verbose_ring is NULL\n"));
                bcmerror = BCME_UNSUPPORTED;
                break;
            }

            if (trace_buf_info != NULL) {
                bzero(trace_buf_info, sizeof(trace_buf_info_t));
                dhd_dbg_read_ring_into_trace_buf(dbg_verbose_ring,
                                                 trace_buf_info);
            } else {
                DHD_ERROR(("%s: arg is NULL\n", __FUNCTION__));
                bcmerror = BCME_NOMEM;
            }
            break;
        }
#endif /* SHOW_LOGTRACE */
#ifdef DHD_DEBUG
#if defined(BCMSDIO) || defined(BCMPCIE)
        case IOV_GVAL(IOV_DONGLE_TRAP_TYPE):
            if (dhd_pub->dongle_trap_occured) {
                int_val = ltoh32(dhd_pub->last_trap_info.type);
            } else {
                int_val = 0;
            }
            bcopy(&int_val, arg, val_size);
            break;

        case IOV_GVAL(IOV_DONGLE_TRAP_INFO): {
            struct bcmstrbuf strbuf;
            bcm_binit(&strbuf, arg, len);
            if (dhd_pub->dongle_trap_occured == FALSE) {
                bcm_bprintf(&strbuf, "no trap recorded\n");
                break;
            }
            dhd_bus_dump_trap_info(dhd_pub->bus, &strbuf);
            break;
        }

        case IOV_GVAL(IOV_BPADDR): {
            sdreg_t sdreg;
            uint32 addr, size;

            memcpy(&sdreg, params, sizeof(sdreg));

            addr = sdreg.offset;
            size = sdreg.func;

            bcmerror = dhd_bus_readwrite_bp_addr(dhd_pub, addr, size,
                                                 (uint *)&int_val, TRUE);

            memcpy(arg, &int_val, sizeof(int32));

            break;
        }

        case IOV_SVAL(IOV_BPADDR): {
            sdreg_t sdreg;
            uint32 addr, size;

            memcpy(&sdreg, params, sizeof(sdreg));

            addr = sdreg.offset;
            size = sdreg.func;

            bcmerror = dhd_bus_readwrite_bp_addr(dhd_pub, addr, size,
                                                 (uint *)&sdreg.value, FALSE);

            break;
        }
#endif /* BCMSDIO || BCMPCIE */
#ifdef BCMPCIE
        case IOV_SVAL(IOV_FLOW_RING_DEBUG): {
            bcmerror = dhd_flow_ring_debug(dhd_pub, arg, len);
            break;
        }
#endif /* BCMPCIE */
        case IOV_SVAL(IOV_MEM_DEBUG):
            if (len > 0) {
                bcmerror = dhd_mem_debug(dhd_pub, arg, len - 1);
            }
            break;
#endif /* DHD_DEBUG */
#if defined(DHD_LOG_DUMP)
        case IOV_GVAL(IOV_LOG_DUMP): {
            dhd_prot_debug_info_print(dhd_pub);
            dhd_log_dump_trigger(dhd_pub, CMD_DEFAULT);
            break;
        }
#endif /* DHD_LOG_DUMP */
        case IOV_GVAL(IOV_DEBUG_BUF_DEST_STAT): {
            if (dhd_pub->debug_buf_dest_support) {
                debug_buf_dest_stat_t *debug_buf_dest_stat =
                    (debug_buf_dest_stat_t *)arg;
                memcpy(debug_buf_dest_stat, dhd_pub->debug_buf_dest_stat,
                       sizeof(dhd_pub->debug_buf_dest_stat));
            } else {
                bcmerror = BCME_DISABLED;
            }
            break;
        }

#ifdef DHD_DEBUG
        case IOV_SVAL(IOV_INDUCE_ERROR): {
            if (int_val >= DHD_INDUCE_ERROR_MAX) {
                DHD_ERROR(("%s: Invalid command : %u\n", __FUNCTION__,
                           (uint16)int_val));
            } else {
                dhd_pub->dhd_induce_error = (uint16)int_val;
            }
            break;
        }
#endif /* DHD_DEBUG */

#ifdef WL_IFACE_MGMT_CONF
#ifdef WL_CFG80211
#ifdef WL_NANP2P
        case IOV_GVAL(IOV_CONC_DISC): {
            int_val = wl_cfg80211_get_iface_conc_disc(
                dhd_linux_get_primary_netdev(dhd_pub));
            bcopy(&int_val, arg, sizeof(int_val));
            break;
        }
        case IOV_SVAL(IOV_CONC_DISC): {
            bcmerror = wl_cfg80211_set_iface_conc_disc(
                dhd_linux_get_primary_netdev(dhd_pub), (uint8)int_val);
            break;
        }
#endif /* WL_NANP2P */
#ifdef WL_IFACE_MGMT
        case IOV_GVAL(IOV_IFACE_POLICY): {
            int_val = wl_cfg80211_get_iface_policy(
                dhd_linux_get_primary_netdev(dhd_pub));
            bcopy(&int_val, arg, sizeof(int_val));
            break;
        }
        case IOV_SVAL(IOV_IFACE_POLICY): {
            bcmerror = wl_cfg80211_set_iface_policy(
                dhd_linux_get_primary_netdev(dhd_pub), arg, len);
            break;
        }
#endif /* WL_IFACE_MGMT */
#endif /* WL_CFG80211 */
#endif /* WL_IFACE_MGMT_CONF */
#ifdef RTT_GEOFENCE_CONT
#if defined(RTT_SUPPORT) && defined(WL_NAN)
        case IOV_GVAL(IOV_RTT_GEOFENCE_TYPE_OVRD): {
            bool enable = 0;
            dhd_rtt_get_geofence_cont_ind(dhd_pub, &enable);
            int_val = enable ? 1 : 0;
            bcopy(&int_val, arg, val_size);
            break;
        }
        case IOV_SVAL(IOV_RTT_GEOFENCE_TYPE_OVRD): {
            bool enable = *(bool *)arg;
            dhd_rtt_set_geofence_cont_ind(dhd_pub, enable);
            break;
        }
#endif /* RTT_SUPPORT && WL_NAN */
#endif /* RTT_GEOFENCE_CONT */
#ifdef WLEASYMESH
        case IOV_SVAL(IOV_1905_AL_UCAST): {
            uint32 bssidx;
            const char *val;
            uint8 ea[6] = {0};
            if (dhd_iovar_parse_bssidx(dhd_pub, (char *)name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: 1905_al_ucast: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            bcopy(val, ea, ETHER_ADDR_LEN);
            printf("IOV_1905_AL_UCAST:" MACDBG "\n", MAC2STRDBG(ea));
            bcmerror = dhd_set_1905_almac(dhd_pub, bssidx, ea, FALSE);
            break;
        }
        case IOV_GVAL(IOV_1905_AL_UCAST): {
            uint32 bssidx;
            const char *val;
            if (dhd_iovar_parse_bssidx(dhd_pub, (char *)name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: 1905_al_ucast: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }

            bcmerror = dhd_get_1905_almac(dhd_pub, bssidx, arg, FALSE);
            break;
        }
        case IOV_SVAL(IOV_1905_AL_MCAST): {
            uint32 bssidx;
            const char *val;
            uint8 ea[6] = {0};
            if (dhd_iovar_parse_bssidx(dhd_pub, (char *)name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: 1905_al_mcast: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }
            bcopy(val, ea, ETHER_ADDR_LEN);
            printf("IOV_1905_AL_MCAST:" MACDBG "\n", MAC2STRDBG(ea));
            bcmerror = dhd_set_1905_almac(dhd_pub, bssidx, ea, TRUE);
            break;
        }
        case IOV_GVAL(IOV_1905_AL_MCAST): {
            uint32 bssidx;
            const char *val;
            if (dhd_iovar_parse_bssidx(dhd_pub, (char *)name, &bssidx, &val) !=
                BCME_OK) {
                DHD_ERROR(("%s: 1905_al_mcast: bad parameter\n", __FUNCTION__));
                bcmerror = BCME_BADARG;
                break;
            }

            bcmerror = dhd_get_1905_almac(dhd_pub, bssidx, arg, TRUE);
            break;
        }
#endif /* WLEASYMESH */
        default:
            bcmerror = BCME_UNSUPPORTED;
            break;
    }

exit:
    DHD_TRACE(
        ("%s: actionid %d, bcmerror %d\n", __FUNCTION__, actionid, bcmerror));
    return bcmerror;
}

/* Store the status of a connection attempt for later retrieval by an iovar */
void dhd_store_conn_status(uint32 event, uint32 status, uint32 reason)
{
    /* Do not overwrite a WLC_E_PRUNE with a WLC_E_SET_SSID
     * because an encryption/rsn mismatch results in both events, and
     * the important information is in the WLC_E_PRUNE.
     */
    if (!(event == WLC_E_SET_SSID && status == WLC_E_STATUS_FAIL &&
          dhd_conn_event == WLC_E_PRUNE)) {
        dhd_conn_event = event;
        dhd_conn_status = status;
        dhd_conn_reason = reason;
    }
}

bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, void *pkt, int prec)
{
    void *p;
    int eprec = -1; /* precedence to evict from */
    bool discard_oldest;

    /* Fast case, precedence queue is not full and we are also not
     * exceeding total queue length
     */
    if (!pktqprec_full(q, prec) && !pktq_full(q)) {
        pktq_penq(q, prec, pkt);
        return TRUE;
    }

    /* Determine precedence from which to evict packet, if any */
    if (pktqprec_full(q, prec)) {
        eprec = prec;
    } else if (pktq_full(q)) {
        p = pktq_peek_tail(q, &eprec);
        ASSERT(p);
        if (eprec > prec || eprec < 0) {
            return FALSE;
        }
    }

    /* Evict if needed */
    if (eprec >= 0) {
        /* Detect queueing to unconfigured precedence */
        ASSERT(!pktqprec_empty(q, eprec));
        discard_oldest = AC_BITMAP_TST(dhdp->wme_dp, eprec);
        if (eprec == prec && !discard_oldest) {
            return FALSE; /* refuse newer (incoming) packet */
        }
        /* Evict packet according to discard policy */
        p = discard_oldest ? pktq_pdeq(q, eprec) : pktq_pdeq_tail(q, eprec);
        ASSERT(p);
#ifdef DHDTCPACK_SUPPRESS
        if (dhd_tcpack_check_xmit(dhdp, p) == BCME_ERROR) {
            DHD_ERROR(("%s %d: tcpack_suppress ERROR!!! Stop using it\n",
                       __FUNCTION__, __LINE__));
            dhd_tcpack_suppress_set(dhdp, TCPACK_SUP_OFF);
        }
#endif /* DHDTCPACK_SUPPRESS */
        PKTFREE(dhdp->osh, p, TRUE);
    }

    /* Enqueue */
    p = pktq_penq(q, prec, pkt);
    ASSERT(p);

    return TRUE;
}

/*
 * Functions to drop proper pkts from queue:
 *	If one pkt in queue is non-fragmented, drop first non-fragmented pkt only
 *	If all pkts in queue are all fragmented, find and drop one whole set
 * fragmented pkts If can't find pkts matching upper 2 cases, drop first pkt
 * anyway
 */
bool dhd_prec_drop_pkts(dhd_pub_t *dhdp, struct pktq *pq, int prec,
                        f_droppkt_t fn)
{
    struct pktq_prec *q = NULL;
    void *p, *prev = NULL, *next = NULL, *first = NULL, *last = NULL,
             *prev_first = NULL;
    pkt_frag_t frag_info;

    ASSERT(dhdp && pq);
    ASSERT(prec >= 0 && prec < pq->num_prec);

    q = &pq->q[prec];
    p = q->head;

    if (p == NULL) {
        return FALSE;
    }

    while (p) {
        frag_info = pkt_frag_info(dhdp->osh, p);
        if (frag_info == DHD_PKT_FRAG_NONE) {
            break;
        } else if (frag_info == DHD_PKT_FRAG_FIRST) {
            if (first) {
                /* No last frag pkt, use prev as last */
                last = prev;
                break;
            } else {
                first = p;
                prev_first = prev;
            }
        } else if (frag_info == DHD_PKT_FRAG_LAST) {
            if (first) {
                last = p;
                break;
            }
        }

        prev = p;
        p = PKTLINK(p);
    }

    if ((p == NULL) || ((frag_info != DHD_PKT_FRAG_NONE) && !(first && last))) {
        /* Not found matching pkts, use oldest */
        prev = NULL;
        p = q->head;
        frag_info = 0;
    }

    if (frag_info == DHD_PKT_FRAG_NONE) {
        first = last = p;
        prev_first = prev;
    }

    p = first;
    while (p) {
        next = PKTLINK(p);
        q->n_pkts--;
        pq->n_pkts_tot--;

#ifdef WL_TXQ_STALL
        q->dequeue_count++;
#endif // endif

        PKTSETLINK(p, NULL);

        if (fn) {
            fn(dhdp, prec, p, TRUE);
        }

        if (p == last) {
            break;
        }

        p = next;
    }

    if (prev_first == NULL) {
        if ((q->head = next) == NULL) {
            q->tail = NULL;
        }
    } else {
        PKTSETLINK(prev_first, next);
        if (!next) {
            q->tail = prev_first;
        }
    }

    return TRUE;
}

static int dhd_iovar_op(dhd_pub_t *dhd_pub, const char *name, void *params,
                        int plen, void *arg, int len, bool set)
{
    int bcmerror = 0;
    int val_size;
    const bcm_iovar_t *vi = NULL;
    uint32 actionid;

    DHD_TRACE(("%s: Enter\n", __FUNCTION__));

    ASSERT(name);
    ASSERT(len >= 0);

    /* Get MUST have return space */
    ASSERT(set || (arg && len));

    /* Set does NOT take qualifiers */
    ASSERT(!set || (!params && !plen));

    if ((vi = bcm_iovar_lookup(dhd_iovars, name)) == NULL) {
        bcmerror = BCME_UNSUPPORTED;
        goto exit;
    }

    DHD_CTL(("%s: %s %s, len %d plen %d\n", __FUNCTION__, name,
             (set ? "set" : "get"), len, plen));

    /* set up 'params' pointer in case this is a set command so that
     * the convenience int and bool code can be common to set and get
     */
    if (params == NULL) {
        params = arg;
        plen = len;
    }

    if (vi->type == IOVT_VOID) {
        val_size = 0;
    } else if (vi->type == IOVT_BUFFER) {
        val_size = len;
    } else {
        /* all other types are integer sized */
        val_size = sizeof(int);
    }

    actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid);

    bcmerror = dhd_doiovar(dhd_pub, vi, actionid, name, params, plen, arg, len,
                           val_size);

exit:
    return bcmerror;
}

int dhd_ioctl(dhd_pub_t *dhd_pub, dhd_ioctl_t *ioc, void *buf, uint buflen)
{
    int bcmerror = 0;
    unsigned long flags;

    DHD_TRACE(("%s: Enter\n", __FUNCTION__));

    if (!buf) {
        return BCME_BADARG;
    }

    dhd_os_dhdiovar_lock(dhd_pub);
    switch (ioc->cmd) {
        case DHD_GET_MAGIC:
            if (buflen < sizeof(int)) {
                bcmerror = BCME_BUFTOOSHORT;
            } else {
                *(int *)buf = DHD_IOCTL_MAGIC;
            }
            break;

        case DHD_GET_VERSION:
            if (buflen < sizeof(int)) {
                bcmerror = BCME_BUFTOOSHORT;
            } else {
                *(int *)buf = DHD_IOCTL_VERSION;
            }
            break;

        case DHD_GET_VAR:
        case DHD_SET_VAR: {
            char *arg;
            uint arglen;

            DHD_LINUX_GENERAL_LOCK(dhd_pub, flags);
            if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhd_pub) &&
                bcmstricmp((char *)buf, "devreset")) {
                /* In platforms like FC19, the FW download is done via IOCTL
                 * and should not return error for IOCTLs fired before FW
                 * Download is done
                 */
                if (dhd_fw_download_status(dhd_pub) == FW_DOWNLOAD_DONE) {
                    DHD_ERROR(("%s: returning as busstate=%d\n", __FUNCTION__,
                               dhd_pub->busstate));
                    DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);
                    dhd_os_dhdiovar_unlock(dhd_pub);
                    return -ENODEV;
                }
            }
            DHD_BUS_BUSY_SET_IN_DHD_IOVAR(dhd_pub);
            DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);

            DHD_LINUX_GENERAL_LOCK(dhd_pub, flags);
            if (DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(dhd_pub)) {
                /* If Suspend/Resume is tested via pcie_suspend IOVAR
                 * then continue to execute the IOVAR, return from here for
                 * other IOVARs, also include pciecfgreg and devreset to go
                 * through.
                 */
                if (bcmstricmp((char *)buf, "pcie_suspend") &&
                    bcmstricmp((char *)buf, "pciecfgreg") &&
                    bcmstricmp((char *)buf, "devreset") &&
                    bcmstricmp((char *)buf, "sdio_suspend")) {
                    DHD_ERROR(("%s: bus is in suspend(%d)"
                               "or suspending(0x%x) state\n",
                               __FUNCTION__, dhd_pub->busstate,
                               dhd_pub->dhd_bus_busy_state));
                    DHD_BUS_BUSY_CLEAR_IN_DHD_IOVAR(dhd_pub);
                    dhd_os_busbusy_wake(dhd_pub);
                    DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);
                    dhd_os_dhdiovar_unlock(dhd_pub);
                    return -ENODEV;
                }
            }
            /* During devreset ioctl, we call dhdpcie_advertise_bus_cleanup,
             * which will wait for all the busy contexts to get over for
             * particular time and call ASSERT if timeout happens. As during
             * devreset ioctal, we made DHD_BUS_BUSY_SET_IN_DHD_IOVAR,
             * to avoid ASSERT, clear the IOCTL busy state. "devreset" ioctl is
             * not used in Production platforms but only used in FC19 setups.
             */
            if (!bcmstricmp((char *)buf, "devreset") ||
#ifdef BCMPCIE
                (dhd_bus_is_multibp_capable(dhd_pub->bus) &&
                 !bcmstricmp((char *)buf, "dwnldstate")) ||
#endif /* BCMPCIE */
                FALSE) {
                DHD_BUS_BUSY_CLEAR_IN_DHD_IOVAR(dhd_pub);
            }
            DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);

            /* scan past the name to any arguments */
            for (arg = buf, arglen = buflen; *arg && arglen; arg++, arglen--) {
                ;
            }

            if (*arg) {
                bcmerror = BCME_BUFTOOSHORT;
                goto unlock_exit;
            }

            /* account for the NUL terminator */
            arg++, arglen--;
            /* call with the appropriate arguments */
            if (ioc->cmd == DHD_GET_VAR) {
                bcmerror = dhd_iovar_op(dhd_pub, buf, arg, arglen, buf, buflen,
                                        IOV_GET);
            } else {
                bcmerror =
                    dhd_iovar_op(dhd_pub, buf, NULL, 0, arg, arglen, IOV_SET);
            }
            if (bcmerror != BCME_UNSUPPORTED) {
                goto unlock_exit;
            }

            /* not in generic table, try protocol module */
            if (ioc->cmd == DHD_GET_VAR) {
                bcmerror = dhd_prot_iovar_op(dhd_pub, buf, arg, arglen, buf,
                                             buflen, IOV_GET);
            } else {
                bcmerror = dhd_prot_iovar_op(dhd_pub, buf, NULL, 0, arg, arglen,
                                             IOV_SET);
            }
            if (bcmerror != BCME_UNSUPPORTED) {
                goto unlock_exit;
            }

            /* if still not found, try bus module */
            if (ioc->cmd == DHD_GET_VAR) {
                bcmerror = dhd_bus_iovar_op(dhd_pub, buf, arg, arglen, buf,
                                            buflen, IOV_GET);
            } else {
                bcmerror = dhd_bus_iovar_op(dhd_pub, buf, NULL, 0, arg, arglen,
                                            IOV_SET);
            }
            if (bcmerror != BCME_UNSUPPORTED) {
                goto unlock_exit;
            }
        }
            goto unlock_exit;

        default:
            bcmerror = BCME_UNSUPPORTED;
    }
    dhd_os_dhdiovar_unlock(dhd_pub);
    return bcmerror;

unlock_exit:
    DHD_LINUX_GENERAL_LOCK(dhd_pub, flags);
    DHD_BUS_BUSY_CLEAR_IN_DHD_IOVAR(dhd_pub);
    dhd_os_busbusy_wake(dhd_pub);
    DHD_LINUX_GENERAL_UNLOCK(dhd_pub, flags);
    dhd_os_dhdiovar_unlock(dhd_pub);
    return bcmerror;
}

#ifdef SHOW_EVENTS

static void wl_show_host_event(dhd_pub_t *dhd_pub, wl_event_msg_t *event,
                               void *event_data, void *raw_event_ptr,
                               char *eventmask)
{
    uint i, status, reason;
    bool group = FALSE, flush_txq = FALSE, link = FALSE;
    bool host_data = FALSE; /* prints  event data after the case  when set */
    const char *auth_str;
    const char *event_name;
    uchar *buf;
    char err_msg[256], eabuf[ETHER_ADDR_STR_LEN];
    uint event_type, flags, auth_type, datalen;

    event_type = ntoh32(event->event_type);
    flags = ntoh16(event->flags);
    status = ntoh32(event->status);
    reason = ntoh32(event->reason);
    BCM_REFERENCE(reason);
    auth_type = ntoh32(event->auth_type);
    datalen = ntoh32(event->datalen);

    /* debug dump of event messages */
    snprintf(eabuf, sizeof(eabuf), MACDBG, MAC2STRDBG(event->addr.octet));

    event_name = bcmevent_get_name(event_type);
    BCM_REFERENCE(event_name);

    if (flags & WLC_EVENT_MSG_LINK) {
        link = TRUE;
    }
    if (flags & WLC_EVENT_MSG_GROUP) {
        group = TRUE;
    }
    if (flags & WLC_EVENT_MSG_FLUSHTXQ) {
        flush_txq = TRUE;
    }

    switch (event_type) {
        case WLC_E_START:
        case WLC_E_DEAUTH:
        case WLC_E_DISASSOC:
            DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
            break;

        case WLC_E_ASSOC_IND:
        case WLC_E_REASSOC_IND:

            DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));

            break;

        case WLC_E_ASSOC:
        case WLC_E_REASSOC:
            if (status == WLC_E_STATUS_SUCCESS) {
                DHD_EVENT(
                    ("MACEVENT: %s, MAC %s, SUCCESS\n", event_name, eabuf));
            } else if (status == WLC_E_STATUS_TIMEOUT) {
                DHD_EVENT(
                    ("MACEVENT: %s, MAC %s, TIMEOUT\n", event_name, eabuf));
            } else if (status == WLC_E_STATUS_FAIL) {
                DHD_EVENT(
                    ("MACEVENT: %s, MAC %s, FAILURE, status %d reason %d\n",
                     event_name, eabuf, (int)status, (int)reason));
            } else {
                DHD_EVENT(("MACEVENT: %s, MAC %s, unexpected status %d\n",
                           event_name, eabuf, (int)status));
            }

            break;

        case WLC_E_DEAUTH_IND:
        case WLC_E_DISASSOC_IND:
            DHD_EVENT(("MACEVENT: %s, MAC %s, reason %d\n", event_name, eabuf,
                       (int)reason));
            break;

        case WLC_E_AUTH:
        case WLC_E_AUTH_IND:
            if (auth_type == DOT11_OPEN_SYSTEM) {
                auth_str = "Open System";
            } else if (auth_type == DOT11_SHARED_KEY) {
                auth_str = "Shared Key";
            } else if (auth_type == DOT11_SAE) {
                auth_str = "SAE";
            } else {
                snprintf(err_msg, sizeof(err_msg), "AUTH unknown: %d",
                         (int)auth_type);
                auth_str = err_msg;
            }

            if (event_type == WLC_E_AUTH_IND) {
                DHD_EVENT(("MACEVENT: %s, MAC %s, %s\n", event_name, eabuf,
                           auth_str));
            } else if (status == WLC_E_STATUS_SUCCESS) {
                DHD_EVENT(("MACEVENT: %s, MAC %s, %s, SUCCESS\n", event_name,
                           eabuf, auth_str));
            } else if (status == WLC_E_STATUS_TIMEOUT) {
                DHD_EVENT(("MACEVENT: %s, MAC %s, %s, TIMEOUT\n", event_name,
                           eabuf, auth_str));
            } else if (status == WLC_E_STATUS_FAIL) {
                DHD_EVENT(
                    ("MACEVENT: %s, MAC %s, %s, FAILURE, status %d reason %d\n",
                     event_name, eabuf, auth_str, (int)status, (int)reason));
            } else if (status == WLC_E_STATUS_NO_ACK) {
                DHD_EVENT(("MACEVENT: %s, MAC %s, %s, NOACK\n", event_name,
                           eabuf, auth_str));
            } else {
                DHD_EVENT(("MACEVENT: %s, MAC %s, %s, status %d reason %d\n",
                           event_name, eabuf, auth_str, (int)status,
                           (int)reason));
            }
            BCM_REFERENCE(auth_str);

            break;

        case WLC_E_JOIN:
        case WLC_E_ROAM:
        case WLC_E_SET_SSID:
            if (status == WLC_E_STATUS_SUCCESS) {
                DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
            } else {
                if (status == WLC_E_STATUS_FAIL) {
                    DHD_EVENT(("MACEVENT: %s, failed status %d\n", event_name,
                               status));
                } else if (status == WLC_E_STATUS_NO_NETWORKS) {
                    DHD_EVENT(
                        ("MACEVENT: %s, no networks found\n", event_name));
                } else {
                    DHD_EVENT(("MACEVENT: %s, unexpected status %d\n",
                               event_name, (int)status));
                }
            }
            break;

        case WLC_E_BEACON_RX:
            if (status == WLC_E_STATUS_SUCCESS) {
                DHD_EVENT(("MACEVENT: %s, SUCCESS\n", event_name));
            } else if (status == WLC_E_STATUS_FAIL) {
                DHD_EVENT(("MACEVENT: %s, FAIL\n", event_name));
            } else {
                DHD_EVENT(("MACEVENT: %s, status %d\n", event_name, status));
            }
            break;

        case WLC_E_LINK:
            DHD_EVENT(("MACEVENT: %s %s flags:0x%x status:%d\n", event_name,
                       link ? "UP" : "DOWN", flags, status));
            BCM_REFERENCE(link);
            break;

        case WLC_E_MIC_ERROR:
            DHD_EVENT(("MACEVENT: %s, MAC %s, Group %d, Flush %d\n", event_name,
                       eabuf, group, flush_txq));
            BCM_REFERENCE(group);
            BCM_REFERENCE(flush_txq);
            break;

        case WLC_E_ICV_ERROR:
        case WLC_E_UNICAST_DECODE_ERROR:
        case WLC_E_MULTICAST_DECODE_ERROR:
            DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
            break;

        case WLC_E_TXFAIL:
            DHD_EVENT(
                ("MACEVENT: %s, RA %s status %d\n", event_name, eabuf, status));
            break;

        case WLC_E_ASSOC_REQ_IE:
        case WLC_E_ASSOC_RESP_IE:
        case WLC_E_PMKID_CACHE:
            DHD_EVENT(("MACEVENT: %s\n", event_name));
            break;

        case WLC_E_SCAN_COMPLETE:
            DHD_EVENT(("MACEVENT: %s\n", event_name));
            break;
        case WLC_E_RSSI_LQM:
        case WLC_E_PFN_NET_FOUND:
        case WLC_E_PFN_NET_LOST:
        case WLC_E_PFN_SCAN_COMPLETE:
        case WLC_E_PFN_SCAN_NONE:
        case WLC_E_PFN_SCAN_ALLGONE:
        case WLC_E_PFN_GSCAN_FULL_RESULT:
        case WLC_E_PFN_SSID_EXT:
            DHD_EVENT(("PNOEVENT: %s\n", event_name));
            break;

        case WLC_E_PFN_SCAN_BACKOFF:
        case WLC_E_PFN_BSSID_SCAN_BACKOFF:
            DHD_EVENT(("PNOEVENT: %s, status %d, reason %d\n", event_name,
                       (int)status, (int)reason));
            break;

        case WLC_E_PSK_SUP:
        case WLC_E_PRUNE:
            DHD_EVENT(("MACEVENT: %s, status %d, reason %d\n", event_name,
                       (int)status, (int)reason));
            break;

#ifdef WIFI_ACT_FRAME
        case WLC_E_ACTION_FRAME:
            DHD_TRACE(("MACEVENT: %s Bssid %s\n", event_name, eabuf));
            break;
#endif /* WIFI_ACT_FRAME */

#ifdef SHOW_LOGTRACE
        case WLC_E_TRACE: {
            dhd_dbg_trace_evnt_handler(dhd_pub, event_data, raw_event_ptr,
                                       datalen);
            break;
        }
#endif /* SHOW_LOGTRACE */

        case WLC_E_RSSI:
            DHD_EVENT(("MACEVENT: %s %d\n", event_name,
                       ntoh32(*((int *)event_data))));
            break;

        case WLC_E_SERVICE_FOUND:
        case WLC_E_P2PO_ADD_DEVICE:
        case WLC_E_P2PO_DEL_DEVICE:
            DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
            break;

#ifdef BT_WIFI_HANDOBER
        case WLC_E_BT_WIFI_HANDOVER_REQ:
            DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
            break;
#endif // endif

        case WLC_E_CCA_CHAN_QUAL:
            if (datalen) {
                cca_chan_qual_event_t *cca_event =
                    (cca_chan_qual_event_t *)event_data;
                if (cca_event->id == WL_CHAN_QUAL_FULLPM_CCA) {
                    cca_only_chan_qual_event_t *cca_only_event =
                        (cca_only_chan_qual_event_t *)cca_event;
                    BCM_REFERENCE(cca_only_event);
                    DHD_EVENT(("MACEVENT: %s %d, MAC %s, status %d, reason %d, "
                               "auth %d,"
                               " channel 0x%02x\n",
                               event_name, event_type, eabuf, (int)status,
                               (int)reason, (int)auth_type,
                               cca_event->chanspec));
                    DHD_EVENT(
                        ("\tTOTAL (dur %dms me %dms notme %dms interf %dms"
                         " ts 0x%08x)\n",
                         cca_only_event->cca_busy_ext.duration,
                         cca_only_event->cca_busy_ext.congest_ibss,
                         cca_only_event->cca_busy_ext.congest_obss,
                         cca_only_event->cca_busy_ext.interference,
                         cca_only_event->cca_busy_ext.timestamp));
                    DHD_EVENT(
                        ("\t  !PM (dur %dms me %dms notme %dms interf %dms)\n",
                         cca_only_event->cca_busy_nopm.duration,
                         cca_only_event->cca_busy_nopm.congest_ibss,
                         cca_only_event->cca_busy_nopm.congest_obss,
                         cca_only_event->cca_busy_nopm.interference));
                    DHD_EVENT(
                        ("\t   PM (dur %dms me %dms notme %dms interf %dms)\n",
                         cca_only_event->cca_busy_pm.duration,
                         cca_only_event->cca_busy_pm.congest_ibss,
                         cca_only_event->cca_busy_pm.congest_obss,
                         cca_only_event->cca_busy_pm.interference));
                } else if (cca_event->id == WL_CHAN_QUAL_FULL_CCA) {
                    DHD_EVENT(("MACEVENT: %s %d, MAC %s, status %d, reason %d, "
                               "auth %d,"
                               " channel 0x%02x (dur %dms ibss %dms obss %dms "
                               "interf %dms"
                               " ts 0x%08x)\n",
                               event_name, event_type, eabuf, (int)status,
                               (int)reason, (int)auth_type, cca_event->chanspec,
                               cca_event->cca_busy_ext.duration,
                               cca_event->cca_busy_ext.congest_ibss,
                               cca_event->cca_busy_ext.congest_obss,
                               cca_event->cca_busy_ext.interference,
                               cca_event->cca_busy_ext.timestamp));
                } else if (cca_event->id == WL_CHAN_QUAL_CCA) {
                    DHD_EVENT(
                        ("MACEVENT: %s %d, MAC %s, status %d, reason %d, auth "
                         "%d,"
                         " channel 0x%02x (dur %dms busy %dms ts 0x%08x)\n",
                         event_name, event_type, eabuf, (int)status,
                         (int)reason, (int)auth_type, cca_event->chanspec,
                         cca_event->cca_busy.duration,
                         cca_event->cca_busy.congest,
                         cca_event->cca_busy.timestamp));
                } else if ((cca_event->id == WL_CHAN_QUAL_NF) ||
                           (cca_event->id == WL_CHAN_QUAL_NF_LTE)) {
                    DHD_EVENT(("MACEVENT: %s %d, MAC %s, status %d, reason %d, "
                               "auth %d,"
                               " channel 0x%02x (NF[%d] %ddB)\n",
                               event_name, event_type, eabuf, (int)status,
                               (int)reason, (int)auth_type, cca_event->chanspec,
                               cca_event->id, cca_event->noise));
                } else {
                    DHD_EVENT(("MACEVENT: %s %d, MAC %s, status %d, reason %d, "
                               "auth %d,"
                               " channel 0x%02x (unknown ID %d)\n",
                               event_name, event_type, eabuf, (int)status,
                               (int)reason, (int)auth_type, cca_event->chanspec,
                               cca_event->id));
                }
            }
            break;
        case WLC_E_ESCAN_RESULT: {
            wl_escan_result_v2_t *escan_result =
                (wl_escan_result_v2_t *)event_data;
            BCM_REFERENCE(escan_result);
            if ((status == WLC_E_STATUS_SUCCESS) ||
                (status == WLC_E_STATUS_ABORT)) {
                DHD_EVENT(("MACEVENT: %s %d, status %d sync-id %u\n",
                           event_name, event_type, (int)status,
                           dtoh16(escan_result->sync_id)));
            } else {
                DHD_TRACE(("MACEVENT: %s %d, MAC %s, status %d \n", event_name,
                           event_type, eabuf, (int)status));
            }

            break;
        }
        case WLC_E_IF: {
            struct wl_event_data_if *ifevent =
                (struct wl_event_data_if *)event_data;
            BCM_REFERENCE(ifevent);

            DHD_EVENT(("MACEVENT: %s, opcode:0x%d  ifidx:%d role:%d\n",
                       event_name, ifevent->opcode, ifevent->ifidx,
                       ifevent->role));
            break;
        }
#ifdef SHOW_LOGTRACE
        case WLC_E_MSCH: {
            wl_mschdbg_event_handler(dhd_pub, raw_event_ptr, reason, event_data,
                                     datalen);
            break;
        }
#endif /* SHOW_LOGTRACE */

        case WLC_E_PSK_AUTH:
            DHD_EVENT(("MACEVENT: %s, RA %s status %d Reason:%d\n", event_name,
                       eabuf, status, reason));
            break;
        case WLC_E_AGGR_EVENT: {
            event_aggr_data_t *aggrbuf = event_data;
            int j = 0, len = 0;
            uint8 *data = aggrbuf->data;
            DHD_EVENT(
                ("MACEVENT: %s, num of events %d total len %d sub events: ",
                 event_name, aggrbuf->num_events, aggrbuf->len));
            for (j = 0; j < aggrbuf->num_events; j++) {
                wl_event_msg_t *sub_event = (wl_event_msg_t *)data;
                if (len > aggrbuf->len) {
                    DHD_ERROR(("%s: Aggr events corrupted!", __FUNCTION__));
                    break;
                }
                DHD_EVENT(
                    ("\n Event type: %d ", ntoh32(sub_event->event_type)));
                len += ALIGN_SIZE(
                    (ntoh32(sub_event->datalen) + sizeof(wl_event_msg_t)),
                    sizeof(uint64));
                buf = (uchar *)(data + sizeof(wl_event_msg_t));
                BCM_REFERENCE(buf);
                DHD_EVENT((" data (%d) : ", ntoh32(sub_event->datalen)));
                for (i = 0; i < ntoh32(sub_event->datalen); i++) {
                    DHD_EVENT((" 0x%02x ", buf[i]));
                }
                data = aggrbuf->data + len;
            }
            DHD_EVENT(("\n"));
            break;
        }
        case WLC_E_NAN_CRITICAL: {
            DHD_LOG_MEM(("MACEVENT: %s, type:%d\n", event_name, reason));
            break;
        }
        case WLC_E_NAN_NON_CRITICAL: {
            DHD_TRACE(("MACEVENT: %s, type:%d\n", event_name, reason));
            break;
        }
        case WLC_E_PROXD: {
            wl_proxd_event_t *proxd = (wl_proxd_event_t *)event_data;
            DHD_LOG_MEM(("MACEVENT: %s, event:%d, status:%d\n", event_name,
                         proxd->type, reason));
            break;
        }
        case WLC_E_RPSNOA: {
            rpsnoa_stats_t *stat = event_data;
            if (datalen == sizeof(*stat)) {
                DHD_EVENT(("MACEVENT: %s, band %s, status %d, pps %d\n",
                           event_name,
                           (stat->band == WLC_BAND_2G) ? "2G" : "5G",
                           stat->state, stat->last_pps));
            }
            break;
        }
        case WLC_E_PHY_CAL: {
            DHD_EVENT(("MACEVENT: %s, reason:%d\n", event_name, reason));
            break;
        }
        case WLC_E_WA_LQM: {
            wl_event_wa_lqm_t *event_wa_lqm = (wl_event_wa_lqm_t *)event_data;
            bcm_xtlv_t *subevent;
            wl_event_wa_lqm_basic_t *elqm_basic;

            if ((event_wa_lqm->ver != WL_EVENT_WA_LQM_VER) ||
                (event_wa_lqm->len <
                 sizeof(wl_event_wa_lqm_t) + BCM_XTLV_HDR_SIZE)) {
                DHD_ERROR(("MACEVENT: %s invalid (ver=%d len=%d)\n", event_name,
                           event_wa_lqm->ver, event_wa_lqm->len));
                break;
            }

            subevent = (bcm_xtlv_t *)event_wa_lqm->subevent;
            if ((subevent->id != WL_EVENT_WA_LQM_BASIC) ||
                (subevent->len < sizeof(wl_event_wa_lqm_basic_t))) {
                DHD_ERROR(("MACEVENT: %s invalid sub-type (id=%d len=%d)\n",
                           event_name, subevent->id, subevent->len));
                break;
            }

            elqm_basic = (wl_event_wa_lqm_basic_t *)subevent->data;
            BCM_REFERENCE(elqm_basic);
            DHD_EVENT(("MACEVENT: %s (RSSI=%d SNR=%d TxRate=%d RxRate=%d)\n",
                       event_name, elqm_basic->rssi, elqm_basic->snr,
                       elqm_basic->tx_rate, elqm_basic->rx_rate));
            break;
        }
        default:
            DHD_EVENT(
                ("MACEVENT: %s %d, MAC %s, status %d, reason %d, auth %d\n",
                 event_name, event_type, eabuf, (int)status, (int)reason,
                 (int)auth_type));
            break;
    }

    /* show any appended data if message level is set to bytes or host_data is
     * set */
    if ((DHD_BYTES_ON() || (host_data == TRUE)) && DHD_EVENT_ON() && datalen) {
        buf = (uchar *)event_data;
        BCM_REFERENCE(buf);
        DHD_EVENT((" data (%d) : ", datalen));
        for (i = 0; i < datalen; i++) {
            DHD_EVENT((" 0x%02x ", buf[i]));
        }
        DHD_EVENT(("\n"));
    }
} /* wl_show_host_event */
#endif /* SHOW_EVENTS */

#ifdef DNGL_EVENT_SUPPORT
/* Check whether packet is a BRCM dngl event pkt. If it is, process event data.
 */
int dngl_host_event(dhd_pub_t *dhdp, void *pktdata,
                    bcm_dngl_event_msg_t *dngl_event, size_t pktlen)
{
    bcm_dngl_event_t *pvt_data = (bcm_dngl_event_t *)pktdata;

    dngl_host_event_process(dhdp, pvt_data, dngl_event, pktlen);
    return BCME_OK;
}

#ifdef PARSE_DONGLE_HOST_EVENT
typedef struct hck_id_to_str_s {
    uint32 id;
    char *name;
} hck_id_to_str_t;

hck_id_to_str_t hck_sw_id_to_str[] = {
    {WL_HC_DD_PCIE, "WL_HC_DD_PCIE"},
    {WL_HC_DD_RX_DMA_STALL, "WL_HC_DD_RX_DMA_STALL"},
    {WL_HC_DD_RX_STALL, "WL_HC_DD_RX_STALL"},
    {WL_HC_DD_TX_STALL, "WL_HC_DD_TX_STALL"},
    {WL_HC_DD_SCAN_STALL, "WL_HC_DD_SCAN_STALL"},
    {WL_HC_DD_PHY, "WL_HC_DD_PHY"},
    {WL_HC_DD_REINIT, "WL_HC_DD_REINIT"},
    {WL_HC_DD_TXQ_STALL, "WL_HC_DD_TXQ_STALL"},
    {0, NULL}};

hck_id_to_str_t hck_pcie_module_to_str[] = {
    {HEALTH_CHECK_PCIEDEV_INDUCED_IND, "PCIEDEV_INDUCED_IND"},
    {HEALTH_CHECK_PCIEDEV_H2D_DMA_IND, "PCIEDEV_H2D_DMA_IND"},
    {HEALTH_CHECK_PCIEDEV_D2H_DMA_IND, "PCIEDEV_D2H_DMA_IND"},
    {HEALTH_CHECK_PCIEDEV_IOCTL_STALL_IND, "PCIEDEV_IOCTL_STALL_IND"},
    {HEALTH_CHECK_PCIEDEV_D3ACK_STALL_IND, "PCIEDEV_D3ACK_STALL_IND"},
    {HEALTH_CHECK_PCIEDEV_NODS_IND, "PCIEDEV_NODS_IND"},
    {HEALTH_CHECK_PCIEDEV_LINKSPEED_FALLBACK_IND,
     "PCIEDEV_LINKSPEED_FALLBACK_IND"},
    {HEALTH_CHECK_PCIEDEV_DSACK_STALL_IND, "PCIEDEV_DSACK_STALL_IND"},
    {0, NULL}};

hck_id_to_str_t hck_rx_stall_v2_to_str[] = {
    {BCM_RX_HC_RESERVED, "BCM_RX_HC_RESERVED"},
    {BCM_RX_HC_UNSPECIFIED, "BCM_RX_HC_UNSPECIFIED"},
    {BCM_RX_HC_UNICAST_DECRYPT_FAIL, "BCM_RX_HC_UNICAST_DECRYPT_FAIL"},
    {BCM_RX_HC_BCMC_DECRYPT_FAIL, "BCM_RX_HC_BCMC_DECRYPT_FAIL"},
    {BCM_RX_HC_UNICAST_REPLAY, "BCM_RX_HC_UNICAST_REPLAY"},
    {BCM_RX_HC_BCMC_REPLAY, "BCM_RX_HC_BCMC_REPLAY"},
    {BCM_RX_HC_AMPDU_DUP, "BCM_RX_HC_AMPDU_DUP"},
    {0, NULL}};

static void dhd_print_dongle_hck_id(uint32 id, hck_id_to_str_t *hck)
{
    while (hck->name != NULL) {
        if (hck->id == id) {
            DHD_ERROR(("DONGLE_HCK_EVENT: %s\n", hck->name));
            return;
        }
        hck++;
    }
}

void dhd_parse_hck_common_sw_event(bcm_xtlv_t *wl_hc)
{
    wl_rx_hc_info_v2_t *hck_rx_stall_v2;
    uint16 id;

    id = ltoh16(wl_hc->id);
    if (id == WL_HC_DD_RX_STALL_V2) {
        /*  map the hck_rx_stall_v2 structure to the value of the XTLV */
        hck_rx_stall_v2 = (wl_rx_hc_info_v2_t *)wl_hc;
        DHD_ERROR(("type:%d len:%d if_idx:%d ac:%d pkts:%d"
                   " drop:%d alert_th:%d reason:%d peer_ea:" MACF "\n",
                   hck_rx_stall_v2->type, hck_rx_stall_v2->length,
                   hck_rx_stall_v2->if_idx, hck_rx_stall_v2->ac,
                   hck_rx_stall_v2->rx_hc_pkts,
                   hck_rx_stall_v2->rx_hc_dropped_all,
                   hck_rx_stall_v2->rx_hc_alert_th, hck_rx_stall_v2->reason,
                   ETHER_TO_MACF(hck_rx_stall_v2->peer_ea)));
        dhd_print_dongle_hck_id(ltoh32(hck_rx_stall_v2->reason),
                                hck_rx_stall_v2_to_str);
    } else {
        dhd_print_dongle_hck_id(ltoh16(wl_hc->id), hck_sw_id_to_str);
    }
}

#endif /* PARSE_DONGLE_HOST_EVENT */

void dngl_host_event_process(dhd_pub_t *dhdp, bcm_dngl_event_t *event,
                             bcm_dngl_event_msg_t *dngl_event, size_t pktlen)
{
    uint8 *p = (uint8 *)(event + 1);
    uint16 type = ntoh16_ua((void *)&dngl_event->event_type);
    uint16 datalen = ntoh16_ua((void *)&dngl_event->datalen);
    uint16 version = ntoh16_ua((void *)&dngl_event->version);

    DHD_EVENT(
        ("VERSION:%d, EVENT TYPE:%d, DATALEN:%d\n", version, type, datalen));
    if (datalen > (pktlen - sizeof(bcm_dngl_event_t) + ETHER_TYPE_LEN)) {
        return;
    }
    if (version != BCM_DNGL_EVENT_MSG_VERSION) {
        DHD_ERROR(("%s:version mismatch:%d:%d\n", __FUNCTION__, version,
                   BCM_DNGL_EVENT_MSG_VERSION));
        return;
    }
    switch (type) {
        case DNGL_E_SOCRAM_IND: {
            bcm_dngl_socramind_t *socramind_ptr = (bcm_dngl_socramind_t *)p;
            uint16 tag = ltoh32(socramind_ptr->tag);
            uint16 taglen = ltoh32(socramind_ptr->length);
            p = (uint8 *)socramind_ptr->value;
            DHD_EVENT(("Tag:%d Len:%d Datalen:%d\n", tag, taglen, datalen));
            switch (tag) {
                case SOCRAM_IND_ASSERT_TAG: {
                    /*
                     * The payload consists of -
                     * null terminated function name padded till 32 bit boundary
                     * + Line number - (32 bits) Caller address (32 bits)
                     */
                    char *fnname = (char *)p;
                    if (datalen < (ROUNDUP(strlen(fnname) + 1, sizeof(uint32)) +
                                   sizeof(uint32) * 0x2)) {
                        DHD_ERROR(("Wrong length:%d\n", datalen));
                        return;
                    }
                    DHD_EVENT(("ASSRT Function:%s ", p));
                    p += ROUNDUP(strlen(p) + 1, sizeof(uint32));
                    DHD_EVENT(("Line:%d ", *(uint32 *)p));
                    p += sizeof(uint32);
                    DHD_EVENT(("Caller Addr:0x%x\n", *(uint32 *)p));
#ifdef PARSE_DONGLE_HOST_EVENT
                    DHD_ERROR(("DONGLE_HCK_EVENT: SOCRAM_IND_ASSERT_TAG\n"));
#endif /* PARSE_DONGLE_HOST_EVENT */
                    break;
                }
                case SOCRAM_IND_TAG_HEALTH_CHECK: {
                    bcm_dngl_healthcheck_t *dngl_hc =
                        (bcm_dngl_healthcheck_t *)p;
                    DHD_EVENT(
                        ("SOCRAM_IND_HEALTHCHECK_TAG:%d Len:%d datalen:%d\n",
                         ltoh32(dngl_hc->top_module_tag),
                         ltoh32(dngl_hc->top_module_len), datalen));
                    if (DHD_EVENT_ON()) {
                        prhex("HEALTHCHECK", p,
                              MIN(ltoh32(dngl_hc->top_module_len) +
                                      BCM_XTLV_HDR_SIZE,
                                  datalen));
                    }
#ifdef DHD_LOG_DUMP
                    memset(dhdp->health_chk_event_data, 0, HEALTH_CHK_BUF_SIZE);
                    memcpy(dhdp->health_chk_event_data, p,
                           MIN(ltoh32(dngl_hc->top_module_len),
                               HEALTH_CHK_BUF_SIZE));
#endif /* DHD_LOG_DUMP */
                    p = (uint8 *)dngl_hc->value;

                    switch (ltoh32(dngl_hc->top_module_tag)) {
                        case HEALTH_CHECK_TOP_LEVEL_MODULE_PCIEDEV_RTE: {
                            bcm_dngl_pcie_hc_t *pcie_hc;
                            pcie_hc = (bcm_dngl_pcie_hc_t *)p;
                            BCM_REFERENCE(pcie_hc);
                            if (ltoh32(dngl_hc->top_module_len) <
                                sizeof(bcm_dngl_pcie_hc_t)) {
                                DHD_ERROR(("Wrong length:%d\n",
                                           ltoh32(dngl_hc->top_module_len)));
                                return;
                            }
                            DHD_EVENT(("%d:PCIE HC error:%d flag:0x%x,"
                                       " control:0x%x\n",
                                       ltoh32(pcie_hc->version),
                                       ltoh32(pcie_hc->pcie_err_ind_type),
                                       ltoh32(pcie_hc->pcie_flag),
                                       ltoh32(pcie_hc->pcie_control_reg)));
#ifdef PARSE_DONGLE_HOST_EVENT
                            dhd_print_dongle_hck_id(
                                ltoh32(pcie_hc->pcie_err_ind_type),
                                hck_pcie_module_to_str);
#endif /* PARSE_DONGLE_HOST_EVENT */
                            break;
                        }
#ifdef HCHK_COMMON_SW_EVENT
                        case HCHK_SW_ENTITY_WL_PRIMARY:
                        case HCHK_SW_ENTITY_WL_SECONDARY: {
                            bcm_xtlv_t *wl_hc = (bcm_xtlv_t *)p;

                            if (ltoh32(dngl_hc->top_module_len) <
                                sizeof(bcm_xtlv_t)) {
                                DHD_ERROR(("WL SW HC Wrong length:%d\n",
                                           ltoh32(dngl_hc->top_module_len)));
                                return;
                            }
                            BCM_REFERENCE(wl_hc);
                            DHD_EVENT(("WL SW HC type %d len %d\n",
                                       ltoh16(wl_hc->id), ltoh16(wl_hc->len)));

#ifdef PARSE_DONGLE_HOST_EVENT
                            dhd_parse_hck_common_sw_event(wl_hc);
#endif /* PARSE_DONGLE_HOST_EVENT */
                            break;
                        }
#endif /* HCHK_COMMON_SW_EVENT */
                        default: {
                            DHD_ERROR(("%s:Unknown module TAG:%d\n",
                                       __FUNCTION__,
                                       ltoh32(dngl_hc->top_module_tag)));
                            break;
                        }
                    }
                    break;
                }
                default:
                    DHD_ERROR(("%s:Unknown TAG\n", __FUNCTION__));
                    if (p && DHD_EVENT_ON()) {
                        prhex("SOCRAMIND", p, taglen);
                    }
                    break;
            }
            break;
        }
        default:
            DHD_ERROR(("%s:Unknown DNGL Event Type:%d\n", __FUNCTION__, type));
            if (p && DHD_EVENT_ON()) {
                prhex("SOCRAMIND", p, datalen);
            }
            break;
    }
#ifndef BCMDBUS
#ifdef DHD_FW_COREDUMP
    if (dhdp->memdump_enabled) {
        dhdp->memdump_type = DUMP_TYPE_DONGLE_HOST_EVENT;
        if (dhd_socram_dump(dhdp->bus)) {
            DHD_ERROR(("%s: socram dump failed\n", __FUNCTION__));
        }
    }
#else
    dhd_dbg_send_urgent_evt(dhdp, p, datalen);
#endif /* DHD_FW_COREDUMP */
#endif /* !BCMDBUS */
}

#endif /* DNGL_EVENT_SUPPORT */

/* Stub for now. Will become real function as soon as shim
 * is being integrated to Linux.
 */
int wl_event_process_default(wl_event_msg_t *event,
                             struct wl_evt_pport *evt_pport)
{
    return BCME_OK;
}

int wl_event_process(dhd_pub_t *dhd_pub, int *ifidx, void *pktdata, uint pktlen,
                     void **data_ptr, void *raw_event)
{
    wl_evt_pport_t evt_pport;
    wl_event_msg_t event;
    bcm_event_msg_u_t evu;
    int ret;

    /* make sure it is a BRCM event pkt and record event data */
    ret = wl_host_event_get_data(pktdata, pktlen, &evu);
    if (ret != BCME_OK) {
        return ret;
    }

    memcpy(&event, &evu.event, sizeof(wl_event_msg_t));

    /* convert event from network order to host order */
    wl_event_to_host_order(&event);

    /* record event params to evt_pport */
    evt_pport.dhd_pub = dhd_pub;
    evt_pport.ifidx = ifidx;
    evt_pport.pktdata = pktdata;
    evt_pport.data_ptr = data_ptr;
    evt_pport.raw_event = raw_event;
    evt_pport.data_len = pktlen;

    ret = wl_event_process_default(&event, &evt_pport);

    return ret;
} /* wl_event_process */

/* Check whether packet is a BRCM event pkt. If it is, record event data. */
int wl_host_event_get_data(void *pktdata, uint pktlen, bcm_event_msg_u_t *evu)
{
    int ret;

    ret = is_wlc_event_frame(pktdata, pktlen, 0, evu);
    if (ret != BCME_OK) {
        DHD_ERROR(("%s: Invalid event frame, err = %d\n", __FUNCTION__, ret));
    }

    return ret;
}

int wl_process_host_event(dhd_pub_t *dhd_pub, int *ifidx, void *pktdata,
                          uint pktlen, wl_event_msg_t *event, void **data_ptr,
                          void *raw_event)
{
    bcm_event_t *pvt_data = (bcm_event_t *)pktdata;
    bcm_event_msg_u_t evu;
    uint8 *event_data;
    uint32 type, status, datalen, reason;
    uint16 flags;
    uint evlen;
    int ret;
    uint16 usr_subtype;
#ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT
    dhd_if_t *ifp = NULL;
#endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */

    ret = wl_host_event_get_data(pktdata, pktlen, &evu);
    if (ret != BCME_OK) {
        return ret;
    }

    usr_subtype = ntoh16_ua((void *)&pvt_data->bcm_hdr.usr_subtype);
    switch (usr_subtype) {
        case BCMILCP_BCM_SUBTYPE_EVENT:
            memcpy(event, &evu.event, sizeof(wl_event_msg_t));
            *data_ptr = &pvt_data[1];
            break;
        case BCMILCP_BCM_SUBTYPE_DNGLEVENT:
#ifdef DNGL_EVENT_SUPPORT
            /* If it is a DNGL event process it first */
            if (dngl_host_event(dhd_pub, pktdata, &evu.dngl_event, pktlen) ==
                BCME_OK) {
                /*
                 * Return error purposely to prevent DNGL event being processed
                 * as BRCM event
                 */
                return BCME_ERROR;
            }
#endif /* DNGL_EVENT_SUPPORT */
            return BCME_NOTFOUND;
        default:
            return BCME_NOTFOUND;
    }

    /* start wl_event_msg process */
    event_data = *data_ptr;
    type = ntoh32_ua((void *)&event->event_type);
    flags = ntoh16_ua((void *)&event->flags);
    status = ntoh32_ua((void *)&event->status);
    reason = ntoh32_ua((void *)&event->reason);
    datalen = ntoh32_ua((void *)&event->datalen);
    evlen = datalen + sizeof(bcm_event_t);

    switch (type) {
#ifdef PROP_TXSTATUS
        case WLC_E_FIFO_CREDIT_MAP:
            dhd_wlfc_enable(dhd_pub);
            dhd_wlfc_FIFOcreditmap_event(dhd_pub, event_data);
            WLFC_DBGMESG(
                ("WLC_E_FIFO_CREDIT_MAP:(AC0,AC1,AC2,AC3),(BC_MC),(OTHER): "
                 "(%d,%d,%d,%d),(%d),(%d)\n",
                 event_data[0], event_data[1], event_data[0x2], event_data[0x3],
                 event_data[0x4], event_data[0x5]));
            break;

        case WLC_E_BCMC_CREDIT_SUPPORT:
            dhd_wlfc_BCMCCredit_support_event(dhd_pub);
            break;
#ifdef LIMIT_BORROW
        case WLC_E_ALLOW_CREDIT_BORROW:
            dhd_wlfc_disable_credit_borrow_event(dhd_pub, event_data);
            break;
#endif /* LIMIT_BORROW */
#endif /* PROP_TXSTATUS */

        case WLC_E_ULP:
#ifdef DHD_ULP
        {
            wl_ulp_event_t *ulp_evt = (wl_ulp_event_t *)event_data;

            /* Flush and disable console messages */
            if (ulp_evt->ulp_dongle_action == WL_ULP_DISABLE_CONSOLE) {
#ifdef DHD_ULP_NOT_USED
                dhd_bus_ulp_disable_console(dhd_pub);
#endif /* DHD_ULP_NOT_USED */
            }
            if (ulp_evt->ulp_dongle_action == WL_ULP_UCODE_DOWNLOAD) {
                dhd_bus_ucode_download(dhd_pub->bus);
            }
        }
#endif /* DHD_ULP */
        break;
        case WLC_E_TDLS_PEER_EVENT:
#if defined(WLTDLS) && defined(PCIE_FULL_DONGLE)
        {
            dhd_tdls_event_handler(dhd_pub, event);
        }
#endif // endif
        break;

        case WLC_E_IF: {
            struct wl_event_data_if *ifevent =
                (struct wl_event_data_if *)event_data;

            /* Ignore the event if NOIF is set */
            if (ifevent->reserved & WLC_E_IF_FLAGS_BSSCFG_NOIF) {
                DHD_ERROR(("WLC_E_IF: NO_IF set, event Ignored\r\n"));
                return (BCME_UNSUPPORTED);
            }
#ifdef PCIE_FULL_DONGLE
            dhd_update_interface_flow_info(dhd_pub, ifevent->ifidx,
                                           ifevent->opcode, ifevent->role);
#endif // endif
#ifdef PROP_TXSTATUS
            {
                uint8 *ea = pvt_data->eth.ether_dhost;
                WLFC_DBGMESG(
                    ("WLC_E_IF: idx:%d, action:%s, iftype:%s, [" MACDBG
                     "]\n" ifevent->ifidx,
                     ((ifevent->opcode == WLC_E_IF_ADD) ? "ADD" : "DEL"),
                     ((ifevent->role == 0) ? "STA" : "AP "), MAC2STRDBG(ea)));
                (void)ea;

                if (ifevent->opcode == WLC_E_IF_CHANGE) {
                    dhd_wlfc_interface_event(dhd_pub,
                                             eWLFC_MAC_ENTRY_ACTION_UPDATE,
                                             ifevent->ifidx, ifevent->role, ea);
                } else {
                    dhd_wlfc_interface_event(dhd_pub,
                                             ((ifevent->opcode == WLC_E_IF_ADD)
                                                  ? eWLFC_MAC_ENTRY_ACTION_ADD
                                                  : eWLFC_MAC_ENTRY_ACTION_DEL),
                                             ifevent->ifidx, ifevent->role, ea);
                }

                /* dhd already has created an interface by default, for 0 */
                if (ifevent->ifidx == 0) {
                    break;
                }
            }
#endif /* PROP_TXSTATUS */

            if (ifevent->ifidx > 0 && ifevent->ifidx < DHD_MAX_IFS) {
                if (ifevent->opcode == WLC_E_IF_ADD) {
                    if (dhd_event_ifadd(dhd_pub->info, ifevent, event->ifname,
                                        event->addr.octet)) {
                        DHD_ERROR(("%s: dhd_event_ifadd failed ifidx: %d  %s\n",
                                   __FUNCTION__, ifevent->ifidx,
                                   event->ifname));
                        return (BCME_ERROR);
                    }
                } else if (ifevent->opcode == WLC_E_IF_DEL) {
#ifdef PCIE_FULL_DONGLE
                    /* Delete flowrings unconditionally for i/f delete */
                    dhd_flow_rings_delete(
                        dhd_pub,
                        (uint8)dhd_ifname2idx(dhd_pub->info, event->ifname));
#endif /* PCIE_FULL_DONGLE */
                    dhd_event_ifdel(dhd_pub->info, ifevent, event->ifname,
                                    event->addr.octet);
                } else if (ifevent->opcode == WLC_E_IF_CHANGE) {
#ifdef WL_CFG80211
                    dhd_event_ifchange(dhd_pub->info, ifevent, event->ifname,
                                       event->addr.octet);
#endif /* WL_CFG80211 */
                }
            } else {
#if !defined(PROP_TXSTATUS) && !defined(PCIE_FULL_DONGLE) &&                   \
    defined(WL_CFG80211)
                DHD_INFO(("%s: Invalid ifidx %d for %s\n", __FUNCTION__,
                          ifevent->ifidx, event->ifname));
#endif /* !PROP_TXSTATUS && !PCIE_FULL_DONGLE && WL_CFG80211 */
            }
            /* send up the if event: btamp user needs it */
            *ifidx = dhd_ifname2idx(dhd_pub->info, event->ifname);
            /* push up to external supp/auth */
            dhd_event(dhd_pub->info, (char *)pvt_data, evlen, *ifidx);
            break;
        }

        case WLC_E_NDIS_LINK:
            break;
        case WLC_E_PFN_NET_FOUND:
        case WLC_E_PFN_SCAN_ALLGONE: /* share with WLC_E_PFN_BSSID_NET_LOST */
        case WLC_E_PFN_NET_LOST:
            break;
#if defined(PNO_SUPPORT)
        case WLC_E_PFN_BSSID_NET_FOUND:
        case WLC_E_PFN_BEST_BATCHING:
            dhd_pno_event_handler(dhd_pub, event, (void *)event_data);
            break;
#endif // endif
#if defined(RTT_SUPPORT)
        case WLC_E_PROXD:
#ifndef WL_CFG80211
            dhd_rtt_event_handler(dhd_pub, event, (void *)event_data);
#endif /* WL_CFG80211 */
            break;
#endif      /* RTT_SUPPORT */
            /* These are what external supplicant/authenticator wants */
        case WLC_E_ASSOC_IND:
        case WLC_E_AUTH_IND:
        case WLC_E_REASSOC_IND:
            dhd_findadd_sta(dhd_pub,
                            dhd_ifname2idx(dhd_pub->info, event->ifname),
                            &event->addr.octet);
            break;
#ifndef BCMDBUS
#if defined(DHD_FW_COREDUMP)
        case WLC_E_PSM_WATCHDOG:
            DHD_ERROR(
                ("%s: WLC_E_PSM_WATCHDOG event received : \n", __FUNCTION__));
            if (dhd_socram_dump(dhd_pub->bus) != BCME_OK) {
                DHD_ERROR(("%s: socram dump ERROR : \n", __FUNCTION__));
            }
            break;
#endif // endif
#endif /* !BCMDBUS */
        case WLC_E_NATOE_NFCT:
#ifdef WL_NATOE
            DHD_EVENT(("%s: WLC_E_NATOE_NFCT event received \n", __FUNCTION__));
            dhd_natoe_ct_event(dhd_pub, event_data);
#endif /* WL_NATOE */
            break;
#ifdef WL_NAN
        case WLC_E_SLOTTED_BSS_PEER_OP:
            DHD_EVENT(("%s: WLC_E_SLOTTED_BSS_PEER_OP event received for peer: "
                       "" MACDBG ", status = %d\n",
                       __FUNCTION__, MAC2STRDBG(event->addr.octet), status));
            if (status == WLC_E_STATUS_SLOTTED_PEER_ADD) {
                dhd_findadd_sta(dhd_pub,
                                dhd_ifname2idx(dhd_pub->info, event->ifname),
                                &event->addr.octet);
            } else if (status == WLC_E_STATUS_SLOTTED_PEER_DEL) {
                uint8 ifindex =
                    (uint8)dhd_ifname2idx(dhd_pub->info, event->ifname);
                BCM_REFERENCE(ifindex);
                dhd_del_sta(dhd_pub,
                            dhd_ifname2idx(dhd_pub->info, event->ifname),
                            &event->addr.octet);
#ifdef PCIE_FULL_DONGLE
                dhd_flow_rings_delete_for_peer(dhd_pub, ifindex,
                                               (char *)&event->addr.octet[0]);
#endif // endif
            } else {
                DHD_ERROR(("%s: WLC_E_SLOTTED_BSS_PEER_OP: Status is not "
                           "expected = %d\n",
                           __FUNCTION__, status));
            }
            break;
#endif /* WL_NAN */
#ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT
        case WLC_E_REASSOC:
            ifp = dhd_get_ifp(dhd_pub, event->ifidx);
            if (!ifp) {
                break;
            }

            /* Consider STA role only since roam is disabled on P2P GC.
             * Drop EAPOL M1 frame only if roam is done to same BSS.
             */
            if ((status == WLC_E_STATUS_SUCCESS) &&
                IS_STA_IFACE(ndev_to_wdev(ifp->net)) &&
                wl_cfg80211_is_event_from_connected_bssid(ifp->net, event,
                                                          event->ifidx)) {
                ifp->recv_reassoc_evt = TRUE;
            }
            break;
#endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */
#if defined(CSI_SUPPORT)
        case WLC_E_CSI:
            dhd_csi_event_handler(dhd_pub, event, (void *)event_data);
            break;
#endif /* CSI_SUPPORT */
        case WLC_E_LINK:
#ifdef PCIE_FULL_DONGLE
            if (dhd_update_interface_link_status(
                    dhd_pub,
                    (uint8)dhd_ifname2idx(dhd_pub->info, event->ifname),
                    (uint8)flags) != BCME_OK) {
                DHD_ERROR(("%s: dhd_update_interface_link_status Failed.\n",
                           __FUNCTION__));
                break;
            }
            if (!flags) {
                DHD_ERROR(
                    ("%s: Deleting all STA from assoc list and flowrings.\n",
                     __FUNCTION__));
                /* Delete all sta and flowrings */
                dhd_del_all_sta(dhd_pub,
                                dhd_ifname2idx(dhd_pub->info, event->ifname));
                dhd_flow_rings_delete(
                    dhd_pub,
                    (uint8)dhd_ifname2idx(dhd_pub->info, event->ifname));
            }
            /* fall through */
#endif /* PCIE_FULL_DONGLE */
        case WLC_E_DEAUTH:
        case WLC_E_DEAUTH_IND:
        case WLC_E_DISASSOC:
        case WLC_E_DISASSOC_IND:
#ifdef PCIE_FULL_DONGLE
            if (type != WLC_E_LINK) {
                uint8 ifindex =
                    (uint8)dhd_ifname2idx(dhd_pub->info, event->ifname);
                uint8 role = dhd_flow_rings_ifindex2role(dhd_pub, ifindex);
                uint8 del_sta = TRUE;
#ifdef WL_CFG80211
                if (role == WLC_E_IF_ROLE_STA &&
                    !wl_cfg80211_is_roam_offload(
                        dhd_idx2net(dhd_pub, ifindex)) &&
                    !wl_cfg80211_is_event_from_connected_bssid(
                        dhd_idx2net(dhd_pub, ifindex), event, *ifidx)) {
                    del_sta = FALSE;
                }
#endif /* WL_CFG80211 */
                DHD_EVENT(("%s: Link event %d, flags %x, status %x, role %d, "
                           "del_sta %d\n",
                           __FUNCTION__, type, flags, status, role, del_sta));

                if (del_sta) {
                    DHD_EVENT(("%s: Deleting STA " MACDBG "\n", __FUNCTION__,
                               MAC2STRDBG(event->addr.octet)));

                    dhd_del_sta(dhd_pub,
                                dhd_ifname2idx(dhd_pub->info, event->ifname),
                                &event->addr.octet);
                    /* Delete all flowrings for STA and P2P Client */
                    if (role == WLC_E_IF_ROLE_STA ||
                        role == WLC_E_IF_ROLE_P2P_CLIENT) {
                        dhd_flow_rings_delete(dhd_pub, ifindex);
                    } else {
                        dhd_flow_rings_delete_for_peer(
                            dhd_pub, ifindex, (char *)&event->addr.octet[0]);
                    }
                }
            }
#endif /* PCIE_FULL_DONGLE */
#ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT
            /* fall through */
            ifp = dhd_get_ifp(dhd_pub, event->ifidx);
            if (ifp) {
                ifp->recv_reassoc_evt = FALSE;
                ifp->post_roam_evt = FALSE;
            }
#endif      /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */
            /* fall through */
        default:
            *ifidx = dhd_ifname2idx(dhd_pub->info, event->ifname);
#ifdef DHD_UPDATE_INTF_MAC
            if ((WLC_E_LINK == type) && (WLC_EVENT_MSG_LINK & flags)) {
                dhd_event_ifchange(dhd_pub->info,
                                   (struct wl_event_data_if *)event,
                                   event->ifname, event->addr.octet);
            }
#endif /* DHD_UPDATE_INTF_MAC */
            /* push up to external supp/auth */
            dhd_event(dhd_pub->info, (char *)pvt_data, evlen, *ifidx);
            DHD_TRACE(("%s: MAC event %d, flags %x, status %x\n", __FUNCTION__,
                       type, flags, status));
            BCM_REFERENCE(flags);
            BCM_REFERENCE(status);
            BCM_REFERENCE(reason);

            break;
    }
#if defined(STBAP)
    /* For routers, EAPD will be working on these events.
     * Overwrite interface name to that event is pushed
     * to host with its registered interface name
     */
    memcpy(pvt_data->event.ifname, dhd_ifname(dhd_pub, *ifidx), IFNAMSIZ);
#endif // endif

#ifdef DHD_STATUS_LOGGING
    if (dhd_pub->statlog) {
        dhd_statlog_process_event(dhd_pub, type, *ifidx, status, reason, flags);
    }
#endif /* DHD_STATUS_LOGGING */

#ifdef SHOW_EVENTS
    if (DHD_FWLOG_ON() || DHD_EVENT_ON()) {
        wl_show_host_event(dhd_pub, event, (void *)event_data, raw_event,
                           dhd_pub->enable_log);
    }
#endif /* SHOW_EVENTS */

    return (BCME_OK);
} /* wl_process_host_event */

int wl_host_event(dhd_pub_t *dhd_pub, int *ifidx, void *pktdata, uint pktlen,
                  wl_event_msg_t *event, void **data_ptr, void *raw_event)
{
    return wl_process_host_event(dhd_pub, ifidx, pktdata, pktlen, event,
                                 data_ptr, raw_event);
}

void dhd_print_buf(void *pbuf, int len, int bytes_per_line)
{
#ifdef DHD_DEBUG
    int i, j = 0;
    unsigned char *buf = pbuf;

    if (bytes_per_line == 0) {
        bytes_per_line = len;
    }

    for (i = 0; i < len; i++) {
        printf("%2.2x", *buf++);
        j++;
        if (j == bytes_per_line) {
            printf("\n");
            j = 0;
        } else {
            printf(":");
        }
    }
    printf("\n");
#endif /* DHD_DEBUG */
}
#ifndef strtoul
#define strtoul(nptr, endptr, base) bcm_strtoul((nptr), (endptr), (base))
#endif // endif

/* Convert user's input in hex pattern to byte-size mask */
int wl_pattern_atoh(char *src, char *dst)
{
    int i;
    if (strncmp(src, "0x", 0x2) != 0 && strncmp(src, "0X", 0x2) != 0) {
        DHD_ERROR(("Mask invalid format. Needs to start with 0x\n"));
        return -1;
    }
    src = src + 0x2; /* Skip past 0x */
    if (strlen(src) % 0x2 != 0) {
        DHD_ERROR(("Mask invalid format. Needs to be of even length\n"));
        return -1;
    }
    for (i = 0; *src != '\0'; i++) {
        char num[0x3];
        bcm_strncpy_s(num, sizeof(num), src, 0x2);
        num[0x2] = '\0';
        dst[i] = (uint8)strtoul(num, NULL, 0x10);
        src += 0x2;
    }
    return i;
}

#if defined(PKT_FILTER_SUPPORT)
int pattern_atoh_len(char *src, char *dst, int len)
{
    int i;
    if (strncmp(src, "0x", HD_PREFIX_SIZE) != 0 &&
        strncmp(src, "0X", HD_PREFIX_SIZE) != 0) {
        DHD_ERROR(("Mask invalid format. Needs to start with 0x\n"));
        return -1;
    }
    src = src + HD_PREFIX_SIZE; /* Skip past 0x */
    if (strlen(src) % HD_BYTE_SIZE != 0) {
        DHD_ERROR(("Mask invalid format. Needs to be of even length\n"));
        return -1;
    }
    for (i = 0; *src != '\0'; i++) {
        char num[HD_BYTE_SIZE + 1];

        if (i > len - 1) {
            DHD_ERROR(("pattern not in range, idx: %d len: %d\n", i, len));
            return -1;
        }
        bcm_strncpy_s(num, sizeof(num), src, HD_BYTE_SIZE);
        num[HD_BYTE_SIZE] = '\0';
        dst[i] = (uint8)strtoul(num, NULL, 16);
        src += HD_BYTE_SIZE;
    }
    return i;
}
#endif // endif

#ifdef PKT_FILTER_SUPPORT
void dhd_pktfilter_offload_enable(dhd_pub_t *dhd, char *arg, int enable,
                                  int master_mode)
{
    char *argv[8];
    int i = 0;
    const char *str;
    int buf_len;
    int str_len;
    char *arg_save = 0, *arg_org = 0;
    int rc;
    char buf[32] = {0};
    wl_pkt_filter_enable_t enable_parm;
    wl_pkt_filter_enable_t *pkt_filterp;

    if (!arg) {
        return;
    }

    if (!(arg_save = MALLOC(dhd->osh, strlen(arg) + 1))) {
        DHD_ERROR(("%s: malloc failed\n", __FUNCTION__));
        goto fail;
    }
    arg_org = arg_save;
    memcpy(arg_save, arg, strlen(arg) + 1);

    argv[i] = bcmstrtok(&arg_save, " ", 0);

    i = 0;
    if (argv[i] == NULL) {
        DHD_ERROR(("No args provided\n"));
        goto fail;
    }

    str = "pkt_filter_enable";
    str_len = strlen(str);
    bcm_strncpy_s(buf, sizeof(buf) - 1, str, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = '\0';
    buf_len = str_len + 1;

    pkt_filterp = (wl_pkt_filter_enable_t *)(buf + str_len + 1);

    /* Parse packet filter id. */
    enable_parm.id = htod32(strtoul(argv[i], NULL, 0));
    if (dhd_conf_del_pkt_filter(dhd, enable_parm.id)) {
        goto fail;
    }

    /* Parse enable/disable value. */
    enable_parm.enable = htod32(enable);

    buf_len += sizeof(enable_parm);
    memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm));

    /* Enable/disable the specified filter. */
    rc = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, buf_len, TRUE, 0);
    rc = rc >= 0 ? 0 : rc;
    if (rc) {
        DHD_ERROR(("%s: failed to %s pktfilter %s, retcode = %d\n",
                   __FUNCTION__, enable ? "enable" : "disable", arg, rc));
        dhd_set_packet_filter(dhd);
        rc = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, buf_len, TRUE, 0);
        rc = rc >= 0 ? 0 : rc;
        if (rc) {
            DHD_TRACE_HW4(
                ("%s: 2nd retry failed to add pktfilter %s, retcode = %d\n",
                 __FUNCTION__, arg, rc));
        } else {
            DHD_TRACE_HW4(("%s: 2nd retry successfully added pktfilter %s\n",
                           __FUNCTION__, arg));
        }
    } else {
        DHD_TRACE(("%s: successfully %s pktfilter %s\n", __FUNCTION__,
                   enable ? "enable" : "disable", arg));
    }

    /* Contorl the master mode */
    rc = dhd_wl_ioctl_set_intiovar(dhd, "pkt_filter_mode", master_mode,
                                   WLC_SET_VAR, TRUE, 0);
    rc = rc >= 0 ? 0 : rc;
    if (rc) {
        DHD_TRACE(("%s: failed to set pkt_filter_mode %d, retcode = %d\n",
                   __FUNCTION__, master_mode, rc));
    }

fail:
    if (arg_org) {
        MFREE(dhd->osh, arg_org, strlen(arg) + 1);
    }
}

/* Packet filter section: extended filters have named offsets, add table here */
typedef struct {
    char *name;
    uint16 base;
} wl_pfbase_t;

static wl_pfbase_t basenames[] = {WL_PKT_FILTER_BASE_NAMES};

static int wl_pkt_filter_base_parse(char *name)
{
    uint i;
    char *bname, *uname;

    for (i = 0; i < ARRAYSIZE(basenames); i++) {
        bname = basenames[i].name;
        for (uname = name; *uname; bname++, uname++) {
            if (*bname != bcm_toupper(*uname)) {
                break;
            }
        }
        if (!*uname && !*bname) {
            break;
        }
    }

    if (i < ARRAYSIZE(basenames)) {
        return basenames[i].base;
    } else {
        return -1;
    }
}

void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg)
{
    const char *str;
    wl_pkt_filter_t pkt_filter;
    wl_pkt_filter_t *pkt_filterp;
    int buf_len;
    int str_len;
    int rc = -1;
    uint32 mask_size;
    uint32 pattern_size;
    char *argv[MAXPKT_ARG] = {0}, *buf = 0;
    int i = 0;
    char *arg_save = 0, *arg_org = 0;

    if (!arg) {
        return;
    }

    if (!(arg_save = MALLOC(dhd->osh, strlen(arg) + 1))) {
        DHD_ERROR(("%s: malloc failed\n", __FUNCTION__));
        goto fail;
    }

    arg_org = arg_save;

    if (!(buf = MALLOC(dhd->osh, MAX_PKTFLT_BUF_SIZE))) {
        DHD_ERROR(("%s: malloc failed\n", __FUNCTION__));
        goto fail;
    }

    memset(buf, 0, MAX_PKTFLT_BUF_SIZE);
    memcpy(arg_save, arg, strlen(arg) + 1);

    if (strlen(arg) > MAX_PKTFLT_BUF_SIZE) {
        DHD_ERROR(("Not enough buffer %d < %d\n", (int)strlen(arg),
                   (int)sizeof(buf)));
        goto fail;
    }

    argv[i] = bcmstrtok(&arg_save, " ", 0);
    while (argv[i++]) {
        if (i >= MAXPKT_ARG) {
            DHD_ERROR(("Invalid args provided\n"));
            goto fail;
        }
        argv[i] = bcmstrtok(&arg_save, " ", 0);
    }

    i = 0;
    if (argv[i] == NULL) {
        DHD_ERROR(("No args provided\n"));
        goto fail;
    }

    str = "pkt_filter_add";
    str_len = strlen(str);
    bcm_strncpy_s(buf, MAX_PKTFLT_BUF_SIZE, str, str_len);
    buf[str_len] = '\0';
    buf_len = str_len + 1;

    pkt_filterp = (wl_pkt_filter_t *)(buf + str_len + 1);

    /* Parse packet filter id. */
    pkt_filter.id = htod32(strtoul(argv[i], NULL, 0));

    if (argv[++i] == NULL) {
        DHD_ERROR(("Polarity not provided\n"));
        goto fail;
    }

    /* Parse filter polarity. */
    pkt_filter.negate_match = htod32(strtoul(argv[i], NULL, 0));

    if (argv[++i] == NULL) {
        DHD_ERROR(("Filter type not provided\n"));
        goto fail;
    }

    /* Parse filter type. */
    pkt_filter.type = htod32(strtoul(argv[i], NULL, 0));

    if ((pkt_filter.type == 0) || (pkt_filter.type == 1)) {
        if (argv[++i] == NULL) {
            DHD_ERROR(("Offset not provided\n"));
            goto fail;
        }

        /* Parse pattern filter offset. */
        pkt_filter.u.pattern.offset = htod32(strtoul(argv[i], NULL, 0));

        if (argv[++i] == NULL) {
            DHD_ERROR(("Bitmask not provided\n"));
            goto fail;
        }

        /* Parse pattern filter mask. */
        rc = wl_pattern_atoh(argv[i],
                             (char *)pkt_filterp->u.pattern.mask_and_pattern);
        if (rc == -1) {
            DHD_ERROR(("Rejecting: %s\n", argv[i]));
            goto fail;
        }
        mask_size = htod32(rc);
        if (argv[++i] == NULL) {
            DHD_ERROR(("Pattern not provided\n"));
            goto fail;
        }

        /* Parse pattern filter pattern. */
        rc = wl_pattern_atoh(
            argv[i],
            (char *)&pkt_filterp->u.pattern.mask_and_pattern[mask_size]);
        if (rc == -1) {
            DHD_ERROR(("Rejecting: %s\n", argv[i]));
            goto fail;
        }
        pattern_size = htod32(rc);
        if (mask_size != pattern_size) {
            DHD_ERROR(("Mask and pattern not the same size\n"));
            goto fail;
        }

        pkt_filter.u.pattern.size_bytes = mask_size;
        buf_len += WL_PKT_FILTER_FIXED_LEN;
        buf_len += (WL_PKT_FILTER_PATTERN_FIXED_LEN + 0x2 * mask_size);

        /* Keep-alive attributes are set in local	variable (keep_alive_pkt),
         * and then memcpy'ed into buffer (keep_alive_pktp) since there is no
         * guarantee that the buffer is properly aligned.
         */
        memcpy((char *)pkt_filterp, &pkt_filter,
               WL_PKT_FILTER_FIXED_LEN + WL_PKT_FILTER_PATTERN_FIXED_LEN);
    } else if ((pkt_filter.type == 0x2) || (pkt_filter.type == 0x6)) {
        int list_cnt = 0;
        char *endptr = NULL;
        wl_pkt_filter_pattern_listel_t *pf_el =
            (wl_pkt_filter_pattern_listel_t *)&pkt_filterp->u.patlist
                .patterns[0];

        while (argv[++i] != NULL) {
            /* Check valid buffer size. */
            if ((buf_len + MAX_PKTFLT_FIXED_BUF_SIZE) > MAX_PKTFLT_BUF_SIZE) {
                DHD_ERROR(("buffer over length MAX_PKTFLT_FIXED_BUF_SIZE\n"));
                goto fail;
            }

            /* Parse pattern filter base and offset. */
            if (bcm_isdigit(*argv[i])) {
                /* Numeric base */
                rc = strtoul(argv[i], &endptr, 0);
            } else {
                endptr = strchr(argv[i], ':');
                if (endptr) {
                    *endptr = '\0';
                    rc = wl_pkt_filter_base_parse(argv[i]);
                    if (rc == -1) {
                        printf("Invalid base %s\n", argv[i]);
                        goto fail;
                    }
                    *endptr = ':';
                }
            }

            if (endptr == NULL) {
                printf("Invalid [base:]offset format: %s\n", argv[i]);
                goto fail;
            }

            if (*endptr == ':') {
                pf_el->base_offs = htod16(rc);
                rc = strtoul(endptr + 1, &endptr, 0);
            } else {
                /* Must have had a numeric offset only */
                pf_el->base_offs = htod16(0);
            }

            if (*endptr) {
                printf("Invalid [base:]offset format: %s\n", argv[i]);
                goto fail;
            }
            if (rc > 0x0000FFFF) {
                printf("Offset too large\n");
                goto fail;
            }
            pf_el->rel_offs = htod16(rc);

            /* Clear match_flag (may be set in parsing which follows) */
            pf_el->match_flags = htod16(0);

            /* Parse pattern filter mask and pattern directly into ioctl buffer
             */
            if (argv[++i] == NULL) {
                printf("Bitmask not provided\n");
                goto fail;
            }
            rc = wl_pattern_atoh(argv[i], (char *)pf_el->mask_and_data);
            if ((rc == -1) || (rc > MAX_PKTFLT_FIXED_PATTERN_SIZE)) {
                printf("Rejecting: %s\n", argv[i]);
                goto fail;
            }
            mask_size = htod16(rc);

            if (argv[++i] == NULL) {
                printf("Pattern not provided\n");
                goto fail;
            }

            if (*argv[i] == '!') {
                pf_el->match_flags = htod16(WL_PKT_FILTER_MFLAG_NEG);
                (argv[i])++;
            }
            if (*argv[i] == '\0') {
                printf("Pattern not provided\n");
                goto fail;
            }
            rc = wl_pattern_atoh(argv[i], (char *)&pf_el->mask_and_data[rc]);
            if ((rc == -1) || (rc > MAX_PKTFLT_FIXED_PATTERN_SIZE)) {
                printf("Rejecting: %s\n", argv[i]);
                goto fail;
            }
            pattern_size = htod16(rc);

            if (mask_size != pattern_size) {
                printf("Mask and pattern not the same size\n");
                goto fail;
            }

            pf_el->size_bytes = mask_size;

            /* Account for the size of this pattern element */
            buf_len += WL_PKT_FILTER_PATTERN_LISTEL_FIXED_LEN + 0x2 * rc;

            /* Move to next element location in ioctl buffer */
            pf_el = (wl_pkt_filter_pattern_listel_t
                         *)((uint8 *)pf_el +
                            WL_PKT_FILTER_PATTERN_LISTEL_FIXED_LEN + 0x2 * rc);

            /* Count list element */
            list_cnt++;
        }

        /* Account for initial fixed size, and copy initial fixed fields */
        buf_len +=
            WL_PKT_FILTER_FIXED_LEN + WL_PKT_FILTER_PATTERN_LIST_FIXED_LEN;

        if (buf_len > MAX_PKTFLT_BUF_SIZE) {
            DHD_ERROR(("buffer over length MAX_PKTFLT_BUF_SIZE\n"));
            goto fail;
        }
        /* Update list count and total size */
        pkt_filter.u.patlist.list_cnt = list_cnt;
        pkt_filter.u.patlist.PAD1[0] = 0;
        pkt_filter.u.patlist.totsize = buf + buf_len - (char *)pkt_filterp;
        pkt_filter.u.patlist.totsize -= WL_PKT_FILTER_FIXED_LEN;

        memcpy((char *)pkt_filterp, &pkt_filter,
               WL_PKT_FILTER_FIXED_LEN + WL_PKT_FILTER_PATTERN_LIST_FIXED_LEN);
    } else {
        DHD_ERROR(("Invalid filter type %d\n", pkt_filter.type));
        goto fail;
    }

    rc = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, buf_len, TRUE, 0);
    rc = rc >= 0 ? 0 : rc;

    if (rc) {
        DHD_ERROR(("%s: failed to add pktfilter %s, retcode = %d\n",
                   __FUNCTION__, arg, rc));
    } else {
        DHD_TRACE(("%s: successfully added pktfilter %s\n", __FUNCTION__, arg));
    }

fail:
    if (arg_org) {
        MFREE(dhd->osh, arg_org, strlen(arg) + 1);
    }

    if (buf) {
        MFREE(dhd->osh, buf, MAX_PKTFLT_BUF_SIZE);
    }
}

void dhd_pktfilter_offload_delete(dhd_pub_t *dhd, int id)
{
    int ret;

    ret = dhd_wl_ioctl_set_intiovar(dhd, "pkt_filter_delete", id, WLC_SET_VAR,
                                    TRUE, 0);
    if (ret < 0) {
        DHD_ERROR(("%s: Failed to delete filter ID:%d, ret=%d\n", __FUNCTION__,
                   id, ret));
    } else {
        DHD_TRACE(
            ("%s: successfully deleted pktfilter %d\n", __FUNCTION__, id));
    }
}
#endif /* PKT_FILTER_SUPPORT */

/* ========================== */
/* ==== ARP OFFLOAD SUPPORT = */
/* ========================== */
#ifdef ARP_OFFLOAD_SUPPORT
void dhd_arp_offload_set(dhd_pub_t *dhd, int arp_mode)
{
    int retcode;

    retcode = dhd_wl_ioctl_set_intiovar(dhd, "arp_ol", arp_mode, WLC_SET_VAR,
                                        TRUE, 0);

    retcode = retcode >= 0 ? 0 : retcode;
    if (retcode) {
        DHD_ERROR(("%s: failed to set ARP offload mode to 0x%x, retcode = %d\n",
                   __FUNCTION__, arp_mode, retcode));
    } else {
        DHD_ARPOE(("%s: successfully set ARP offload mode to 0x%x\n",
                   __FUNCTION__, arp_mode));
    }
}

void dhd_arp_offload_enable(dhd_pub_t *dhd, int arp_enable)
{
    int retcode;
#ifdef WL_CFG80211
    /* Do not enable arp offload in case of non-STA interfaces active */
    if (arp_enable &&
        (wl_cfg80211_check_vif_in_use(dhd_linux_get_primary_netdev(dhd)))) {
        DHD_TRACE(
            ("%s: Virtual interfaces active, ignore arp offload request \n",
             __FUNCTION__));
        return;
    }
#endif /* WL_CFG80211 */
    retcode = dhd_wl_ioctl_set_intiovar(dhd, "arpoe", arp_enable, WLC_SET_VAR,
                                        TRUE, 0);

    retcode = retcode >= 0 ? 0 : retcode;
    if (retcode) {
        DHD_ERROR(("%s: failed to enabe ARP offload to %d, retcode = %d\n",
                   __FUNCTION__, arp_enable, retcode));
    } else
#ifdef DHD_LOG_DUMP
        DHD_LOG_MEM(("%s: successfully enabed ARP offload to %d\n",
                     __FUNCTION__, arp_enable));
#else
        DHD_ARPOE(("%s: successfully enabed ARP offload to %d\n", __FUNCTION__,
                   arp_enable));
#endif /* DHD_LOG_DUMP */
    if (arp_enable) {
        uint32 version;
        retcode = dhd_wl_ioctl_get_intiovar(dhd, "arp_version", &version,
                                            WLC_GET_VAR, FALSE, 0);
        if (retcode) {
            DHD_INFO(("%s: fail to get version (maybe version 1:retcode = %d\n",
                      __FUNCTION__, retcode));
            dhd->arp_version = 1;
        } else {
            DHD_INFO(("%s: ARP Version= %x\n", __FUNCTION__, version));
            dhd->arp_version = version;
        }
    }
}

void dhd_aoe_arp_clr(dhd_pub_t *dhd, int idx)
{
    int ret = 0;

    if (dhd == NULL) {
        return;
    }
    if (dhd->arp_version == 1) {
        idx = 0;
    }

    ret = dhd_iovar(dhd, idx, "arp_table_clear", NULL, 0, NULL, 0, TRUE);
    if (ret < 0) {
        DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret));
    } else {
#ifdef DHD_LOG_DUMP
        DHD_LOG_MEM(("%s: ARP table clear\n", __FUNCTION__));
#else
        DHD_TRACE(("%s: ARP table clear\n", __FUNCTION__));
#endif /* DHD_LOG_DUMP */
    }
    /* mac address isn't cleared here but it will be cleared after dongle off */
    dhd->hmac_updated = 0;
}

void dhd_aoe_hostip_clr(dhd_pub_t *dhd, int idx)
{
    int ret = 0;

    if (dhd == NULL) {
        return;
    }
    if (dhd->arp_version == 1) {
        idx = 0;
    }

    ret = dhd_iovar(dhd, idx, "arp_hostip_clear", NULL, 0, NULL, 0, TRUE);
    if (ret < 0) {
        DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret));
    } else {
#ifdef DHD_LOG_DUMP
        DHD_LOG_MEM(("%s: ARP host ip clear\n", __FUNCTION__));
#else
        DHD_TRACE(("%s: ARP host ip clear\n", __FUNCTION__));
#endif /* DHD_LOG_DUMP */
    }
}

void dhd_arp_offload_add_ip(dhd_pub_t *dhd, uint32 ipaddr, int idx)
{
    int ret;

    if (dhd == NULL) {
        return;
    }
    if (dhd->arp_version == 1) {
        idx = 0;
    }

    ret = dhd_iovar(dhd, idx, "arp_hostip", (char *)&ipaddr, sizeof(ipaddr),
                    NULL, 0, TRUE);
    if (ret < 0) {
        DHD_ERROR(
            ("%s: ARP ip addr add failed, ret = %d\n", __FUNCTION__, ret));
    } else {
        /* mac address is updated in the dongle */
        dhd->hmac_updated = 1;
#ifdef DHD_LOG_DUMP
        DHD_LOG_MEM(("%s: ARP ip addr entry added \n", __FUNCTION__));
#else
        DHD_ARPOE(("%s: ARP ip addr entry added \n", __FUNCTION__));
#endif /* DHD_LOG_DUMP */
    }
}

int dhd_arp_get_arp_hostip_table(dhd_pub_t *dhd, void *buf, int buflen, int idx)
{
    int ret, i;
    uint32 *ptr32 = buf;
    bool clr_bottom = FALSE;

    if (!buf) {
        return -1;
    }
    if (dhd == NULL) {
        return -1;
    }
    if (dhd->arp_version == 1) {
        idx = 0;
    }

    ret =
        dhd_iovar(dhd, idx, "arp_hostip", NULL, 0, (char *)buf, buflen, FALSE);
    if (ret) {
        DHD_ERROR(("%s: ioctl WLC_GET_VAR error %d\n", __FUNCTION__, ret));

        return -1;
    }

    /* clean up the buf, ascii reminder */
    for (i = 0; i < MAX_IPV4_ENTRIES; i++) {
        if (!clr_bottom) {
            if (*ptr32 == 0) {
                clr_bottom = TRUE;
            }
        } else {
            *ptr32 = 0;
        }
        ptr32++;
    }

    return 0;
}
#endif /* ARP_OFFLOAD_SUPPORT  */

/*
 * Neighbor Discovery Offload: enable NDO feature
 * Called  by ipv6 event handler when interface comes up/goes down
 */
int dhd_ndo_enable(dhd_pub_t *dhd, int ndo_enable)
{
    int retcode;

    if (dhd == NULL) {
        return -1;
    }

#if defined(WL_CFG80211) && defined(WL_NAN)
    if (wl_cfgnan_is_dp_active(dhd_linux_get_primary_netdev(dhd))) {
        /* If nan dp is active, skip NDO */
        DHD_INFO(("Active NAN DP, skip NDO\n"));
        return 0;
    }
#endif /* WL_CFG80211 && WL_NAN */
#ifdef WL_CFG80211
    if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
        /* NDO disable on STA+SOFTAP mode */
        ndo_enable = FALSE;
    }
#endif /* WL_CFG80211 */
    retcode = dhd_wl_ioctl_set_intiovar(dhd, "ndoe", ndo_enable, WLC_SET_VAR,
                                        TRUE, 0);
    if (retcode) {
        DHD_ERROR(("%s: failed to enabe ndo to %d, retcode = %d\n",
                   __FUNCTION__, ndo_enable, retcode));
    } else {
        DHD_TRACE(("%s: successfully enabed ndo offload to %d\n", __FUNCTION__,
                   ndo_enable));
    }

    return retcode;
}

/*
 * Neighbor Discover Offload: enable NDO feature
 * Called  by ipv6 event handler when interface comes up
 */
int dhd_ndo_add_ip(dhd_pub_t *dhd, char *ipv6addr, int idx)
{
    int iov_len = 0;
    char iovbuf[DHD_IOVAR_BUF_SIZE];
    int retcode;

    if (dhd == NULL) {
        return -1;
    }

    iov_len = bcm_mkiovar("nd_hostip", (char *)ipv6addr, IPV6_ADDR_LEN, iovbuf,
                          sizeof(iovbuf));
    if (!iov_len) {
        DHD_ERROR(("%s: Insufficient iovar buffer size %zu \n", __FUNCTION__,
                   sizeof(iovbuf)));
        return -1;
    }
    retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx);
    if (retcode) {
        DHD_ERROR(("%s: ndo ip addr add failed, retcode = %d\n", __FUNCTION__,
                   retcode));
    } else {
        DHD_TRACE(("%s: ndo ipaddr entry added \n", __FUNCTION__));
    }

    return retcode;
}

/*
 * Neighbor Discover Offload: enable NDO feature
 * Called  by ipv6 event handler when interface goes down
 */
int dhd_ndo_remove_ip(dhd_pub_t *dhd, int idx)
{
    int iov_len = 0;
    char iovbuf[DHD_IOVAR_BUF_SIZE];
    int retcode;

    if (dhd == NULL) {
        return -1;
    }

    iov_len = bcm_mkiovar("nd_hostip_clear", NULL, 0, iovbuf, sizeof(iovbuf));
    if (!iov_len) {
        DHD_ERROR(("%s: Insufficient iovar buffer size %zu \n", __FUNCTION__,
                   sizeof(iovbuf)));
        return -1;
    }
    retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx);
    if (retcode) {
        DHD_ERROR(("%s: ndo ip addr remove failed, retcode = %d\n",
                   __FUNCTION__, retcode));
    } else {
        DHD_TRACE(("%s: ndo ipaddr entry removed \n", __FUNCTION__));
    }

    return retcode;
}
/* Enhanced ND offload */
uint16 dhd_ndo_get_version(dhd_pub_t *dhdp)
{
    char iovbuf[DHD_IOVAR_BUF_SIZE];
    wl_nd_hostip_t ndo_get_ver;
    int iov_len;
    int retcode;
    uint16 ver = 0;

    if (dhdp == NULL) {
        return BCME_ERROR;
    }

    memset(&iovbuf, 0, sizeof(iovbuf));
    ndo_get_ver.version = htod16(WL_ND_HOSTIP_IOV_VER);
    ndo_get_ver.op_type = htod16(WL_ND_HOSTIP_OP_VER);
    ndo_get_ver.length = htod32(WL_ND_HOSTIP_FIXED_LEN + sizeof(uint16));
    ndo_get_ver.u.version = 0;
    iov_len = bcm_mkiovar("nd_hostip", (char *)&ndo_get_ver,
                          WL_ND_HOSTIP_FIXED_LEN + sizeof(uint16), iovbuf,
                          sizeof(iovbuf));
    if (!iov_len) {
        DHD_ERROR(("%s: Insufficient iovar buffer size %zu \n", __FUNCTION__,
                   sizeof(iovbuf)));
        return BCME_ERROR;
    }

    retcode = dhd_wl_ioctl_cmd(dhdp, WLC_GET_VAR, iovbuf, iov_len, FALSE, 0);
    if (retcode) {
        DHD_ERROR(("%s: failed, retcode = %d\n", __FUNCTION__, retcode));
        /* ver iovar not supported. NDO version is 0 */
        ver = 0;
    } else {
        wl_nd_hostip_t *ndo_ver_ret = (wl_nd_hostip_t *)iovbuf;

        if ((dtoh16(ndo_ver_ret->version) == WL_ND_HOSTIP_IOV_VER) &&
            (dtoh16(ndo_ver_ret->op_type) == WL_ND_HOSTIP_OP_VER) &&
            (dtoh32(ndo_ver_ret->length) ==
             WL_ND_HOSTIP_FIXED_LEN + sizeof(uint16))) {
            /* nd_hostip iovar version */
            ver = dtoh16(ndo_ver_ret->u.version);
        }

        DHD_TRACE(("%s: successfully get version: %d\n", __FUNCTION__, ver));
    }

    return ver;
}

int dhd_ndo_add_ip_with_type(dhd_pub_t *dhdp, char *ipv6addr, uint8 type,
                             int idx)
{
    char iovbuf[DHD_IOVAR_BUF_SIZE];
    wl_nd_hostip_t ndo_add_addr;
    int iov_len;
    int retcode;

    if (dhdp == NULL || ipv6addr == 0) {
        return BCME_ERROR;
    }

    /* wl_nd_hostip_t fixed param */
    ndo_add_addr.version = htod16(WL_ND_HOSTIP_IOV_VER);
    ndo_add_addr.op_type = htod16(WL_ND_HOSTIP_OP_ADD);
    ndo_add_addr.length = htod32(WL_ND_HOSTIP_WITH_ADDR_LEN);
    /* wl_nd_host_ip_addr_t param for add */
    memcpy(&ndo_add_addr.u.host_ip.ip_addr, ipv6addr, IPV6_ADDR_LEN);
    ndo_add_addr.u.host_ip.type = type;

    iov_len = bcm_mkiovar("nd_hostip", (char *)&ndo_add_addr,
                          WL_ND_HOSTIP_WITH_ADDR_LEN, iovbuf, sizeof(iovbuf));
    if (!iov_len) {
        DHD_ERROR(("%s: Insufficient iovar buffer size %zu \n", __FUNCTION__,
                   sizeof(iovbuf)));
        return BCME_ERROR;
    }

    retcode = dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx);
    if (retcode) {
        DHD_ERROR(("%s: failed, retcode = %d\n", __FUNCTION__, retcode));
#ifdef NDO_CONFIG_SUPPORT
        if (retcode == BCME_NORESOURCE) {
            /* number of host ip addr exceeds FW capacity, Deactivate ND offload
             */
            DHD_INFO(("%s: Host IP count exceed device capacity,"
                      "ND offload deactivated\n",
                      __FUNCTION__));
            dhdp->ndo_host_ip_overflow = TRUE;
            dhd_ndo_enable(dhdp, FALSE);
        }
#endif /* NDO_CONFIG_SUPPORT */
    } else {
        DHD_TRACE(("%s: successfully added: %d\n", __FUNCTION__, retcode));
    }

    return retcode;
}

int dhd_ndo_remove_ip_by_addr(dhd_pub_t *dhdp, char *ipv6addr, int idx)
{
    char iovbuf[DHD_IOVAR_BUF_SIZE];
    wl_nd_hostip_t ndo_del_addr;
    int iov_len;
    int retcode;

    if (dhdp == NULL || ipv6addr == 0) {
        return BCME_ERROR;
    }

    /* wl_nd_hostip_t fixed param */
    ndo_del_addr.version = htod16(WL_ND_HOSTIP_IOV_VER);
    ndo_del_addr.op_type = htod16(WL_ND_HOSTIP_OP_DEL);
    ndo_del_addr.length = htod32(WL_ND_HOSTIP_WITH_ADDR_LEN);
    /* wl_nd_host_ip_addr_t param for del */
    memcpy(&ndo_del_addr.u.host_ip.ip_addr, ipv6addr, IPV6_ADDR_LEN);
    ndo_del_addr.u.host_ip.type = 0; /* don't care */

    iov_len = bcm_mkiovar("nd_hostip", (char *)&ndo_del_addr,
                          WL_ND_HOSTIP_WITH_ADDR_LEN, iovbuf, sizeof(iovbuf));
    if (!iov_len) {
        DHD_ERROR(("%s: Insufficient iovar buffer size %zu \n", __FUNCTION__,
                   sizeof(iovbuf)));
        return BCME_ERROR;
    }

    retcode = dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx);
    if (retcode) {
        DHD_ERROR(("%s: failed, retcode = %d\n", __FUNCTION__, retcode));
    } else {
        DHD_TRACE(("%s: successfully removed: %d\n", __FUNCTION__, retcode));
    }

    return retcode;
}

int dhd_ndo_remove_ip_by_type(dhd_pub_t *dhdp, uint8 type, int idx)
{
    char iovbuf[DHD_IOVAR_BUF_SIZE];
    wl_nd_hostip_t ndo_del_addr;
    int iov_len;
    int retcode;

    if (dhdp == NULL) {
        return BCME_ERROR;
    }

    /* wl_nd_hostip_t fixed param */
    ndo_del_addr.version = htod16(WL_ND_HOSTIP_IOV_VER);
    if (type == WL_ND_IPV6_ADDR_TYPE_UNICAST) {
        ndo_del_addr.op_type = htod16(WL_ND_HOSTIP_OP_DEL_UC);
    } else if (type == WL_ND_IPV6_ADDR_TYPE_ANYCAST) {
        ndo_del_addr.op_type = htod16(WL_ND_HOSTIP_OP_DEL_AC);
    } else {
        return BCME_BADARG;
    }
    ndo_del_addr.length = htod32(WL_ND_HOSTIP_FIXED_LEN);

    iov_len = bcm_mkiovar("nd_hostip", (char *)&ndo_del_addr,
                          WL_ND_HOSTIP_FIXED_LEN, iovbuf, sizeof(iovbuf));
    if (!iov_len) {
        DHD_ERROR(("%s: Insufficient iovar buffer size %zu \n", __FUNCTION__,
                   sizeof(iovbuf)));
        return BCME_ERROR;
    }

    retcode = dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx);
    if (retcode) {
        DHD_ERROR(("%s: failed, retcode = %d\n", __FUNCTION__, retcode));
    } else {
        DHD_TRACE(("%s: successfully removed: %d\n", __FUNCTION__, retcode));
    }

    return retcode;
}

int dhd_ndo_unsolicited_na_filter_enable(dhd_pub_t *dhdp, int enable)
{
    char iovbuf[DHD_IOVAR_BUF_SIZE];
    int iov_len;
    int retcode;

    if (dhdp == NULL) {
        return BCME_ERROR;
    }

    iov_len = bcm_mkiovar("nd_unsolicited_na_filter", (char *)&enable,
                          sizeof(int), iovbuf, sizeof(iovbuf));
    if (!iov_len) {
        DHD_ERROR(("%s: Insufficient iovar buffer size %zu \n", __FUNCTION__,
                   sizeof(iovbuf)));
        return BCME_ERROR;
    }

    retcode = dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, iov_len, TRUE, 0);
    if (retcode) {
        DHD_ERROR(
            ("%s: failed to enable Unsolicited NA filter to %d, retcode = %d\n",
             __FUNCTION__, enable, retcode));
    } else {
        DHD_TRACE(("%s: successfully enabled Unsolicited NA filter to %d\n",
                   __FUNCTION__, enable));
    }

    return retcode;
}
#ifdef SIMPLE_ISCAN

uint iscan_thread_id = 0;
iscan_buf_t *iscan_chain = 0;

iscan_buf_t *dhd_iscan_allocate_buf(dhd_pub_t *dhd, iscan_buf_t **iscanbuf)
{
    iscan_buf_t *iscanbuf_alloc = 0;
    iscan_buf_t *iscanbuf_head;

    DHD_ISCAN(("%s: Entered\n", __FUNCTION__));
    dhd_iscan_lock();

    iscanbuf_alloc = (iscan_buf_t *)MALLOC(dhd->osh, sizeof(iscan_buf_t));
    if (iscanbuf_alloc == NULL) {
        goto fail;
    }

    iscanbuf_alloc->next = NULL;
    iscanbuf_head = *iscanbuf;

    DHD_ISCAN(("%s: addr of allocated node = 0x%X"
               "addr of iscanbuf_head = 0x%X dhd = 0x%X\n",
               __FUNCTION__, iscanbuf_alloc, iscanbuf_head, dhd));

    if (iscanbuf_head == NULL) {
        *iscanbuf = iscanbuf_alloc;
        DHD_ISCAN(("%s: Head is allocated\n", __FUNCTION__));
        goto fail;
    }

    while (iscanbuf_head->next) {
        iscanbuf_head = iscanbuf_head->next;
    }

    iscanbuf_head->next = iscanbuf_alloc;

fail:
    dhd_iscan_unlock();
    return iscanbuf_alloc;
}

void dhd_iscan_free_buf(void *dhdp, iscan_buf_t *iscan_delete)
{
    iscan_buf_t *iscanbuf_free = 0;
    iscan_buf_t *iscanbuf_prv = 0;
    iscan_buf_t *iscanbuf_cur;
    dhd_pub_t *dhd = dhd_bus_pub(dhdp);
    DHD_ISCAN(("%s: Entered\n", __FUNCTION__));

    dhd_iscan_lock();

    iscanbuf_cur = iscan_chain;

    /* If iscan_delete is null then delete the entire
     * chain or else delete specific one provided
     */
    if (!iscan_delete) {
        while (iscanbuf_cur) {
            iscanbuf_free = iscanbuf_cur;
            iscanbuf_cur = iscanbuf_cur->next;
            iscanbuf_free->next = 0;
            MFREE(dhd->osh, iscanbuf_free, sizeof(iscan_buf_t));
        }
        iscan_chain = 0;
    } else {
        while (iscanbuf_cur) {
            if (iscanbuf_cur == iscan_delete) {
                break;
            }
            iscanbuf_prv = iscanbuf_cur;
            iscanbuf_cur = iscanbuf_cur->next;
        }
        if (iscanbuf_prv) {
            iscanbuf_prv->next = iscan_delete->next;
        }

        iscan_delete->next = 0;
        MFREE(dhd->osh, iscan_delete, sizeof(iscan_buf_t));

        if (!iscanbuf_prv) {
            iscan_chain = 0;
        }
    }
    dhd_iscan_unlock();
}

iscan_buf_t *dhd_iscan_result_buf(void)
{
    return iscan_chain;
}

int dhd_iscan_issue_request(void *dhdp, wl_iscan_params_t *pParams, uint32 size)
{
    int rc = -1;
    dhd_pub_t *dhd = dhd_bus_pub(dhdp);
    char *buf;
    char iovar[] = "iscan";
    uint32 allocSize = 0;
    wl_ioctl_t ioctl;
    int len;

    if (pParams) {
        allocSize = (size + strlen(iovar) + 1);
        if ((allocSize < size) || (allocSize < strlen(iovar))) {
            DHD_ERROR(
                ("%s: overflow - allocation size too large %d < %d + %d!\n",
                 __FUNCTION__, allocSize, size, strlen(iovar)));
            goto cleanUp;
        }
        buf = MALLOC(dhd->osh, allocSize);
        if (buf == NULL) {
            DHD_ERROR(
                ("%s: malloc of size %d failed!\n", __FUNCTION__, allocSize));
            goto cleanUp;
        }
        ioctl.cmd = WLC_SET_VAR;
        len = bcm_mkiovar(iovar, (char *)pParams, size, buf, allocSize);
        if (len == 0) {
            rc = BCME_BUFTOOSHORT;
            goto cleanUp;
        }
        rc = dhd_wl_ioctl(dhd, 0, &ioctl, buf, len);
    }

cleanUp:
    if (buf) {
        MFREE(dhd->osh, buf, allocSize);
    }

    return rc;
}

static int dhd_iscan_get_partial_result(void *dhdp, uint *scan_count)
{
    wl_iscan_results_t *list_buf;
    wl_iscan_results_t list;
    wl_scan_results_t *results;
    iscan_buf_t *iscan_cur;
    int status = -1;
    dhd_pub_t *dhd = dhd_bus_pub(dhdp);
    int rc;
    wl_ioctl_t ioctl;
    int len;

    DHD_ISCAN(("%s: Enter\n", __FUNCTION__));

    iscan_cur = dhd_iscan_allocate_buf(dhd, &iscan_chain);
    if (!iscan_cur) {
        DHD_ERROR(("%s: Failed to allocate node\n", __FUNCTION__));
        dhd_iscan_free_buf(dhdp, 0);
        dhd_iscan_request(dhdp, WL_SCAN_ACTION_ABORT);
        dhd_ind_scan_confirm(dhdp, FALSE);
        goto fail;
    }

    dhd_iscan_lock();

    memset(iscan_cur->iscan_buf, 0, WLC_IW_ISCAN_MAXLEN);
    list_buf = (wl_iscan_results_t *)iscan_cur->iscan_buf;
    results = &list_buf->results;
    results->buflen = WL_ISCAN_RESULTS_FIXED_SIZE;
    results->version = 0;
    results->count = 0;

    memset(&list, 0, sizeof(list));
    list.results.buflen = htod32(WLC_IW_ISCAN_MAXLEN);
    len =
        bcm_mkiovar("iscanresults", (char *)&list, WL_ISCAN_RESULTS_FIXED_SIZE,
                    iscan_cur->iscan_buf, WLC_IW_ISCAN_MAXLEN);
    if (len == 0) {
        dhd_iscan_free_buf(dhdp, 0);
        dhd_iscan_request(dhdp, WL_SCAN_ACTION_ABORT);
        dhd_ind_scan_confirm(dhdp, FALSE);
        status = BCME_BUFTOOSHORT;
        goto fail;
    }
    ioctl.cmd = WLC_GET_VAR;
    ioctl.set = FALSE;
    rc =
        dhd_wl_ioctl(dhd, 0, &ioctl, iscan_cur->iscan_buf, WLC_IW_ISCAN_MAXLEN);

    results->buflen = dtoh32(results->buflen);
    results->version = dtoh32(results->version);
    *scan_count = results->count = dtoh32(results->count);
    status = dtoh32(list_buf->status);
    DHD_ISCAN(("%s: Got %d resuls status = (%x)\n", __FUNCTION__,
               results->count, status));

    dhd_iscan_unlock();

    if (!(*scan_count)) {
        /* race condition when FLUSH already called */
        dhd_iscan_free_buf(dhdp, 0);
    }
fail:
    return status;
}

#endif /* SIMPLE_ISCAN */

/*
 * returns = TRUE if associated, FALSE if not associated
 */
bool dhd_is_associated(dhd_pub_t *dhd, uint8 ifidx, int *retval)
{
    char bssid[0x6], zbuf[0x6];
    int ret = -1;

    bzero(bssid, 0x6);
    bzero(zbuf, 0x6);

    ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_BSSID, (char *)&bssid, ETHER_ADDR_LEN,
                           FALSE, ifidx);
    DHD_TRACE((" %s WLC_GET_BSSID ioctl res = %d\n", __FUNCTION__, ret));

    if (ret == BCME_NOTASSOCIATED) {
        DHD_TRACE(("%s: not associated! res:%d\n", __FUNCTION__, ret));
    }

    if (retval) {
        *retval = ret;
    }

    if (ret < 0) {
        return FALSE;
    }

    if ((memcmp(bssid, zbuf, ETHER_ADDR_LEN) == 0)) {
        DHD_TRACE(
            ("%s: WLC_GET_BSSID ioctl returned zero bssid\n", __FUNCTION__));
        return FALSE;
    }
    return TRUE;
}

/* Function to estimate possible DTIM_SKIP value */
#if defined(BCMPCIE)
int dhd_get_suspend_bcn_li_dtim(dhd_pub_t *dhd, int *dtim_period,
                                int *bcn_interval)
{
    int bcn_li_dtim = 1; /* deafult no dtim skip setting */
    int ret = -1;
    int allowed_skip_dtim_cnt = 0;

    if (dhd->disable_dtim_in_suspend) {
        DHD_ERROR(("%s Disable bcn_li_dtim in suspend\n", __FUNCTION__));
        bcn_li_dtim = 0;
        return bcn_li_dtim;
    }

    /* Check if associated */
    if (dhd_is_associated(dhd, 0, NULL) == FALSE) {
        DHD_TRACE(("%s NOT assoc ret %d\n", __FUNCTION__, ret));
        return bcn_li_dtim;
    }

    if (dtim_period == NULL || bcn_interval == NULL) {
        return bcn_li_dtim;
    }

    /* read associated AP beacon interval */
    if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_BCNPRD, bcn_interval,
                                sizeof(*bcn_interval), FALSE, 0)) < 0) {
        DHD_ERROR(("%s get beacon failed code %d\n", __FUNCTION__, ret));
        return bcn_li_dtim;
    }

    /* read associated AP dtim setup */
    if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_DTIMPRD, dtim_period,
                                sizeof(*dtim_period), FALSE, 0)) < 0) {
        DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret));
        return bcn_li_dtim;
    }

    /* if not assocated just return */
    if (*dtim_period == 0) {
        return bcn_li_dtim;
    }

    if (dhd->max_dtim_enable) {
        bcn_li_dtim = (int)(MAX_DTIM_ALLOWED_INTERVAL /
                            ((*dtim_period) * (*bcn_interval)));
        if (bcn_li_dtim == 0) {
            bcn_li_dtim = 1;
        }
    } else {
        /* attemp to use platform defined dtim skip interval */
        bcn_li_dtim = dhd->suspend_bcn_li_dtim;

        /* check if sta listen interval fits into AP dtim */
        if (*dtim_period > CUSTOM_LISTEN_INTERVAL) {
            /* AP DTIM to big for our Listen Interval : no dtim skiping */
            bcn_li_dtim = NO_DTIM_SKIP;
            DHD_ERROR(("%s DTIM=%d > Listen=%d : too big ...\n", __FUNCTION__,
                       *dtim_period, CUSTOM_LISTEN_INTERVAL));
            return bcn_li_dtim;
        }

        if (((*dtim_period) * (*bcn_interval) * bcn_li_dtim) >
            MAX_DTIM_ALLOWED_INTERVAL) {
            allowed_skip_dtim_cnt =
                MAX_DTIM_ALLOWED_INTERVAL / ((*dtim_period) * (*bcn_interval));
            bcn_li_dtim = (allowed_skip_dtim_cnt != 0) ? allowed_skip_dtim_cnt
                                                       : NO_DTIM_SKIP;
        }

        if ((bcn_li_dtim * (*dtim_period)) > CUSTOM_LISTEN_INTERVAL) {
            /* Round up dtim_skip to fit into STAs Listen Interval */
            bcn_li_dtim = (int)(CUSTOM_LISTEN_INTERVAL / *dtim_period);
            DHD_TRACE(
                ("%s agjust dtim_skip as %d\n", __FUNCTION__, bcn_li_dtim));
        }
    }

    if (dhd->conf->suspend_bcn_li_dtim >= 0) {
        bcn_li_dtim = dhd->conf->suspend_bcn_li_dtim;
    }
    DHD_ERROR(("%s beacon=%d bcn_li_dtim=%d DTIM=%d Listen=%d\n", __FUNCTION__,
               *bcn_interval, bcn_li_dtim, *dtim_period,
               CUSTOM_LISTEN_INTERVAL));

    return bcn_li_dtim;
}
#else  /* BCMPCIE */
int dhd_get_suspend_bcn_li_dtim(dhd_pub_t *dhd)
{
    int bcn_li_dtim = 1; /* deafult no dtim skip setting */
    int ret = -1;
    int dtim_period = 0;
    int ap_beacon = 0;
    int allowed_skip_dtim_cnt = 0;

    if (dhd->disable_dtim_in_suspend) {
        DHD_ERROR(("%s Disable bcn_li_dtim in suspend\n", __FUNCTION__));
        bcn_li_dtim = 0;
        goto exit;
    }

    /* Check if associated */
    if (dhd_is_associated(dhd, 0, NULL) == FALSE) {
        DHD_TRACE(("%s NOT assoc ret %d\n", __FUNCTION__, ret));
        goto exit;
    }

    /* read associated AP beacon interval */
    if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_BCNPRD, &ap_beacon,
                                sizeof(ap_beacon), FALSE, 0)) < 0) {
        DHD_ERROR(("%s get beacon failed code %d\n", __FUNCTION__, ret));
        goto exit;
    }

    /* read associated ap's dtim setup */
    if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_DTIMPRD, &dtim_period,
                                sizeof(dtim_period), FALSE, 0)) < 0) {
        DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret));
        goto exit;
    }

    /* if not assocated just exit */
    if (dtim_period == 0) {
        goto exit;
    }

    if (dhd->max_dtim_enable) {
        bcn_li_dtim =
            (int)(MAX_DTIM_ALLOWED_INTERVAL / (ap_beacon * dtim_period));
        if (bcn_li_dtim == 0) {
            bcn_li_dtim = 1;
        }
    } else {
        /* attemp to use platform defined dtim skip interval */
        bcn_li_dtim = dhd->suspend_bcn_li_dtim;

        /* check if sta listen interval fits into AP dtim */
        if (dtim_period > CUSTOM_LISTEN_INTERVAL) {
            /* AP DTIM to big for our Listen Interval : no dtim skiping */
            bcn_li_dtim = NO_DTIM_SKIP;
            DHD_ERROR(("%s DTIM=%d > Listen=%d : too big ...\n", __FUNCTION__,
                       dtim_period, CUSTOM_LISTEN_INTERVAL));
            goto exit;
        }

        if ((dtim_period * ap_beacon * bcn_li_dtim) >
            MAX_DTIM_ALLOWED_INTERVAL) {
            allowed_skip_dtim_cnt =
                MAX_DTIM_ALLOWED_INTERVAL / (dtim_period * ap_beacon);
            bcn_li_dtim = (allowed_skip_dtim_cnt != 0) ? allowed_skip_dtim_cnt
                                                       : NO_DTIM_SKIP;
        }

        if ((bcn_li_dtim * dtim_period) > CUSTOM_LISTEN_INTERVAL) {
            /* Round up dtim_skip to fit into STAs Listen Interval */
            bcn_li_dtim = (int)(CUSTOM_LISTEN_INTERVAL / dtim_period);
            DHD_TRACE(
                ("%s agjust dtim_skip as %d\n", __FUNCTION__, bcn_li_dtim));
        }
    }

    if (dhd->conf->suspend_bcn_li_dtim >= 0) {
        bcn_li_dtim = dhd->conf->suspend_bcn_li_dtim;
    }
    DHD_ERROR(("%s beacon=%d bcn_li_dtim=%d DTIM=%d Listen=%d\n", __FUNCTION__,
               ap_beacon, bcn_li_dtim, dtim_period, CUSTOM_LISTEN_INTERVAL));

exit:
    return bcn_li_dtim;
}
#endif /* BCMPCIE */

#ifdef CONFIG_SILENT_ROAM
int dhd_sroam_set_mon(dhd_pub_t *dhd, bool set)
{
    int ret = BCME_OK;
    wlc_sroam_t *psroam;
    wlc_sroam_info_t *sroam;
    uint sroamlen = sizeof(*sroam) + SROAM_HDRLEN;

    /* Check if associated */
    if (dhd_is_associated(dhd, 0, NULL) == FALSE) {
        DHD_TRACE(("%s NOT assoc\n", __FUNCTION__));
        return ret;
    }

    if (set && (dhd->op_mode & (DHD_FLAG_HOSTAP_MODE | DHD_FLAG_P2P_GC_MODE |
                                DHD_FLAG_P2P_GO_MODE))) {
        DHD_INFO(
            (" Failed to set sroam %d, op_mode 0x%04x\n", set, dhd->op_mode));
        return ret;
    }

    if (!dhd->sroam_turn_on) {
        DHD_INFO((" Failed to set sroam %d, sroam turn %d\n", set,
                  dhd->sroam_turn_on));
        return ret;
    }
    psroam = (wlc_sroam_t *)MALLOCZ(dhd->osh, sroamlen);
    if (!psroam) {
        DHD_ERROR(("%s Fail to malloc buffer\n", __FUNCTION__));
        return BCME_NOMEM;
    }

    ret = dhd_iovar(dhd, 0, "sroam", NULL, 0, (char *)psroam, sroamlen, FALSE);
    if (ret < 0) {
        DHD_ERROR(("%s Failed to Get sroam %d\n", __FUNCTION__, ret));
        goto done;
    }

    if (psroam->ver != WLC_SILENT_ROAM_CUR_VER) {
        ret = BCME_VERSION;
        goto done;
    }

    sroam = (wlc_sroam_info_t *)psroam->data;
    sroam->sroam_on = set;
    DHD_INFO((" Silent roam monitor mode %s\n", set ? "On" : "Off"));

    ret = dhd_iovar(dhd, 0, "sroam", (char *)psroam, sroamlen, NULL, 0, TRUE);
    if (ret < 0) {
        DHD_ERROR(("%s Failed to Set sroam %d\n", __FUNCTION__, ret));
    }

done:
    if (psroam) {
        MFREE(dhd->osh, psroam, sroamlen);
    }
    return ret;
}
#endif /* CONFIG_SILENT_ROAM */

/* Check if the mode supports STA MODE */
bool dhd_support_sta_mode(dhd_pub_t *dhd)
{
#ifdef WL_CFG80211
    if (!(dhd->op_mode & DHD_FLAG_STA_MODE)) {
        return FALSE;
    } else
#endif /* WL_CFG80211 */
        return TRUE;
}

#if defined(KEEP_ALIVE)
int dhd_keep_alive_onoff(dhd_pub_t *dhd)
{
    char buf[32] = {0};
    const char *str;
    wl_mkeep_alive_pkt_t mkeep_alive_pkt = {0, 0, 0, 0, 0, {0}};
    wl_mkeep_alive_pkt_t *mkeep_alive_pktp;
    int buf_len;
    int str_len;
    int res = -1;

    if (!dhd_support_sta_mode(dhd)) {
        return res;
    }

    DHD_TRACE(("%s execution\n", __FUNCTION__));

    str = "mkeep_alive";
    str_len = strlen(str);
    strncpy(buf, str, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = '\0';
    mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *)(buf + str_len + 1);
    mkeep_alive_pkt.period_msec = dhd->conf->keep_alive_period;
    buf_len = str_len + 1;
    mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION);
    mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN);
    /* Setup keep alive zero for null packet generation */
    mkeep_alive_pkt.keep_alive_id = 0;
    mkeep_alive_pkt.len_bytes = 0;
    buf_len += WL_MKEEP_ALIVE_FIXED_LEN;
    bzero(mkeep_alive_pkt.data, sizeof(mkeep_alive_pkt.data));
    /* Keep-alive attributes are set in local	variable (mkeep_alive_pkt), and
     * then memcpy'ed into buffer (mkeep_alive_pktp) since there is no
     * guarantee that the buffer is properly aligned.
     */
    memcpy((char *)mkeep_alive_pktp, &mkeep_alive_pkt,
           WL_MKEEP_ALIVE_FIXED_LEN);

    res = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, buf_len, TRUE, 0);

    return res;
}
#endif /* defined(KEEP_ALIVE) */
#define CSCAN_TLV_TYPE_SSID_IE 'S'
/*
 *  SSIDs list parsing from cscan tlv list
 */
int wl_parse_ssid_list_tlv(char **list_str, wlc_ssid_ext_t *ssid, int max,
                           int *bytes_left)
{
    char *str;
    int idx = 0;
    uint8 len;

    if ((list_str == NULL) || (*list_str == NULL) || (*bytes_left < 0)) {
        DHD_ERROR(("%s error paramters\n", __FUNCTION__));
        return BCME_BADARG;
    }
    str = *list_str;
    while (*bytes_left > 0) {
        if (str[0] != CSCAN_TLV_TYPE_SSID_IE) {
            *list_str = str;
            DHD_TRACE(
                ("nssid=%d left_parse=%d %d\n", idx, *bytes_left, str[0]));
            return idx;
        }

        if (idx >= max) {
            DHD_ERROR(("%s number of SSIDs more than %d\n", __FUNCTION__, idx));
            return BCME_BADARG;
        }

        /* Get proper CSCAN_TLV_TYPE_SSID_IE */
        *bytes_left -= 1;
        if (*bytes_left == 0) {
            DHD_ERROR(("%s no length field.\n", __FUNCTION__));
            return BCME_BADARG;
        }
        str += 1;
        ssid[idx].rssi_thresh = 0;
        ssid[idx].flags = 0;
        len = str[0];
        if (len == 0) {
            /* Broadcast SSID */
            ssid[idx].SSID_len = 0;
            memset((char *)ssid[idx].SSID, 0x0, DOT11_MAX_SSID_LEN);
            *bytes_left -= 1;
            str += 1;

            DHD_TRACE(("BROADCAST SCAN  left=%d\n", *bytes_left));
        } else if (len <= DOT11_MAX_SSID_LEN) {
            /* Get proper SSID size */
            ssid[idx].SSID_len = len;
            *bytes_left -= 1;
            /* Get SSID */
            if (ssid[idx].SSID_len > *bytes_left) {
                DHD_ERROR(("%s out of memory range len=%d but left=%d\n",
                           __FUNCTION__, ssid[idx].SSID_len, *bytes_left));
                return BCME_BADARG;
            }
            str += 1;
            memcpy((char *)ssid[idx].SSID, str, ssid[idx].SSID_len);

            *bytes_left -= ssid[idx].SSID_len;
            str += ssid[idx].SSID_len;
            ssid[idx].hidden = TRUE;

            DHD_TRACE(("%s :size=%d left=%d\n", (char *)ssid[idx].SSID,
                       ssid[idx].SSID_len, *bytes_left));
        } else {
            DHD_ERROR(("### SSID size more than %d\n", str[0]));
            return BCME_BADARG;
        }
        idx++;
    }

    *list_str = str;
    return idx;
}

#if defined(WL_WIRELESS_EXT)
/* ComboSCAN support */

/*
 *  data parsing from ComboScan tlv list
 */
int wl_iw_parse_data_tlv(char **list_str, void *dst, int dst_size,
                         const char token, int input_size, int *bytes_left)
{
    char *str;
    uint16 short_temp;
    uint32 int_temp;

    if ((list_str == NULL) || (*list_str == NULL) || (bytes_left == NULL) ||
        (*bytes_left < 0)) {
        DHD_ERROR(("%s error paramters\n", __FUNCTION__));
        return -1;
    }
    str = *list_str;

    /* Clean all dest bytes */
    memset(dst, 0, dst_size);
    if (*bytes_left > 0) {
        if (str[0] != token) {
            DHD_TRACE(("%s NOT Type=%d get=%d left_parse=%d \n", __FUNCTION__,
                       token, str[0], *bytes_left));
            return -1;
        }

        *bytes_left -= 1;
        str += 1;

        if (input_size == 1) {
            memcpy(dst, str, input_size);
        } else if (input_size == 0x2) {
            memcpy(dst, (char *)htod16(memcpy(&short_temp, str, input_size)),
                   input_size);
        } else if (input_size == 0x4) {
            memcpy(dst, (char *)htod32(memcpy(&int_temp, str, input_size)),
                   input_size);
        }

        *bytes_left -= input_size;
        str += input_size;
        *list_str = str;
        return 1;
    }
    return 1;
}

/*
 *  channel list parsing from cscan tlv list
 */
int wl_iw_parse_channel_list_tlv(char **list_str, uint16 *channel_list,
                                 int channel_num, int *bytes_left)
{
    char *str;
    int idx = 0;

    if ((list_str == NULL) || (*list_str == NULL) || (bytes_left == NULL) ||
        (*bytes_left < 0)) {
        DHD_ERROR(("%s error paramters\n", __FUNCTION__));
        return -1;
    }
    str = *list_str;

    while (*bytes_left > 0) {
        if (str[0] != CSCAN_TLV_TYPE_CHANNEL_IE) {
            *list_str = str;
            DHD_TRACE(("End channel=%d left_parse=%d %d\n", idx, *bytes_left,
                       str[0]));
            return idx;
        }
        /* Get proper CSCAN_TLV_TYPE_CHANNEL_IE */
        *bytes_left -= 1;
        str += 1;

        if (str[0] == 0) {
            /* All channels */
            channel_list[idx] = 0x0;
        } else {
            channel_list[idx] = (uint16)str[0];
            DHD_TRACE(("%s channel=%d \n", __FUNCTION__, channel_list[idx]));
        }
        *bytes_left -= 1;
        str += 1;

        if (idx++ > 0xFF) {
            DHD_ERROR(("%s Too many channels \n", __FUNCTION__));
            return -1;
        }
    }

    *list_str = str;
    return idx;
}

/* Parse a comma-separated list from list_str into ssid array, starting
 * at index idx.  Max specifies size of the ssid array.  Parses ssids
 * and returns updated idx; if idx >= max not all fit, the excess have
 * not been copied.  Returns -1 on empty string, or on ssid too long.
 */
int wl_iw_parse_ssid_list(char **list_str, wlc_ssid_t *ssid, int idx, int max)
{
    char *str, *ptr;

    if ((list_str == NULL) || (*list_str == NULL)) {
        return -1;
    }

    for (str = *list_str; str != NULL; str = ptr) {
        /* check for next TAG */
        if (!strncmp(str, GET_CHANNEL, strlen(GET_CHANNEL))) {
            *list_str = str + strlen(GET_CHANNEL);
            return idx;
        }

        if ((ptr = strchr(str, ',')) != NULL) {
            *ptr++ = '\0';
        }

        if (strlen(str) > DOT11_MAX_SSID_LEN) {
            DHD_ERROR(("ssid <%s> exceeds %d\n", str, DOT11_MAX_SSID_LEN));
            return -1;
        }

        if (strlen(str) == 0) {
            ssid[idx].SSID_len = 0;
        }

        if (idx < max) {
            bzero(ssid[idx].SSID, sizeof(ssid[idx].SSID));
            strncpy((char *)ssid[idx].SSID, str, sizeof(ssid[idx].SSID) - 1);
            ssid[idx].SSID_len = strlen(str);
        }
        idx++;
    }
    return idx;
}

/*
 * Parse channel list from iwpriv CSCAN
 */
int wl_iw_parse_channel_list(char **list_str, uint16 *channel_list,
                             int channel_num)
{
    int num;
    int val;
    char *str;
    char *endptr = NULL;

    if ((list_str == NULL) || (*list_str == NULL)) {
        return -1;
    }

    str = *list_str;
    num = 0;
    while (strncmp(str, GET_NPROBE, strlen(GET_NPROBE))) {
        val = (int)strtoul(str, &endptr, 0);
        if (endptr == str) {
            printf("could not parse channel number starting at"
                   " substring \"%s\" in list:\n%s\n",
                   str, *list_str);
            return -1;
        }
        str = endptr + strspn(endptr, " ,");

        if (num == channel_num) {
            DHD_ERROR(
                ("too many channels (more than %d) in channel list:\n%s\n",
                 channel_num, *list_str));
            return -1;
        }

        channel_list[num++] = (uint16)val;
    }
    *list_str = str;
    return num;
}
#endif

/* Given filename and download type,  returns a buffer pointer and length
 * for download to f/w. Type can be FW or NVRAM.
 *
 */
int dhd_get_download_buffer(dhd_pub_t *dhd, char *file_path,
                            download_type_t component, char **buffer,
                            int *length)

{
    int ret = BCME_ERROR;
    int len = 0;
    int file_len;
    void *image = NULL;
    uint8 *buf = NULL;

    /* Point to cache if available. */
    /* No Valid cache found on this call */
    if (!len) {
        file_len = *length;
        *length = 0;

        if (file_path) {
            image = dhd_os_open_image1(dhd, file_path);
            if (image == NULL) {
                printf("%s: Open image file failed %s\n", __FUNCTION__,
                       file_path);
                goto err;
            }
        }

        buf = MALLOCZ(dhd->osh, file_len);
        if (buf == NULL) {
            DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__,
                       file_len));
            goto err;
        }

        /* Download image */
        len = dhd_os_get_image_block((char *)buf, file_len, image);
        if ((len <= 0 || len > file_len)) {
            MFREE(dhd->osh, buf, file_len);
            goto err;
        }
    }

    ret = BCME_OK;
    *length = len;
    *buffer = (char *)buf;

    /* Cache if first call. */

err:
    if (image) {
        dhd_os_close_image1(dhd, image);
    }

    return ret;
}

int dhd_download_2_dongle(dhd_pub_t *dhd, char *iovar, uint16 flag,
                          uint16 dload_type, unsigned char *dload_buf, int len)
{
    struct wl_dload_data *dload_ptr = (struct wl_dload_data *)dload_buf;
    int err = 0;
    int dload_data_offset;
    static char iovar_buf[WLC_IOCTL_MEDLEN];
    int iovar_len;

    memset(iovar_buf, 0, sizeof(iovar_buf));

    dload_data_offset = OFFSETOF(wl_dload_data_t, data);
    dload_ptr->flag = (DLOAD_HANDLER_VER << DLOAD_FLAG_VER_SHIFT) | flag;
    dload_ptr->dload_type = dload_type;
    dload_ptr->len = htod32(len - dload_data_offset);
    dload_ptr->crc = 0;
    len = ROUNDUP(len, 0x8);

    iovar_len = bcm_mkiovar(iovar, (char *)dload_buf, (uint)len, iovar_buf,
                            sizeof(iovar_buf));
    if (iovar_len == 0) {
        DHD_ERROR(
            ("%s: insufficient buffer space passed to bcm_mkiovar for '%s' \n",
             __FUNCTION__, iovar));
        return BCME_BUFTOOSHORT;
    }

    err = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovar_buf, iovar_len, IOV_SET, 0);

    return err;
}

int dhd_download_blob(dhd_pub_t *dhd, unsigned char *buf, uint32 len,
                      char *iovar)

{
    int chunk_len;
    int size2alloc;
    unsigned char *new_buf;
    int err = 0, data_offset;
    uint16 dl_flag = DL_BEGIN;

    data_offset = OFFSETOF(wl_dload_data_t, data);
    size2alloc = data_offset + MAX_CHUNK_LEN;
    size2alloc = ROUNDUP(size2alloc, 0x8);
    if ((new_buf = (unsigned char *)MALLOCZ(dhd->osh, size2alloc)) != NULL) {
        do {
            chunk_len = dhd_os_get_image_block((char *)(new_buf + data_offset),
                                               MAX_CHUNK_LEN, buf);
            if (chunk_len < 0) {
                DHD_ERROR(("%s: dhd_os_get_image_block failed (%d)\n",
                           __FUNCTION__, chunk_len));
                err = BCME_ERROR;
                goto exit;
            }
            if (len - chunk_len == 0) {
                dl_flag |= DL_END;
            }

            err = dhd_download_2_dongle(dhd, iovar, dl_flag, DL_TYPE_CLM,
                                        new_buf, data_offset + chunk_len);

            dl_flag &= ~DL_BEGIN;

            len = len - chunk_len;
        } while ((len > 0) && (err == 0));
    } else {
        err = BCME_NOMEM;
    }
exit:
    if (new_buf) {
        MFREE(dhd->osh, new_buf, size2alloc);
    }
    return err;
}

int dhd_apply_default_txcap(dhd_pub_t *dhd, char *path)
{
    return 0;
}

int dhd_check_current_clm_data(dhd_pub_t *dhd)
{
    char iovbuf[WLC_IOCTL_SMLEN];
    wl_country_t *cspec;
    int err = BCME_OK;

    memset(iovbuf, 0, sizeof(iovbuf));
    err = bcm_mkiovar("country", NULL, 0, iovbuf, sizeof(iovbuf));
    if (err == 0) {
        err = BCME_BUFTOOSHORT;
        DHD_ERROR(("%s: bcm_mkiovar failed.", __FUNCTION__));
        return err;
    }
    err = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0);
    if (err) {
        DHD_ERROR(("%s: country code get failed\n", __FUNCTION__));
        return err;
    }
    cspec = (wl_country_t *)iovbuf;
    if ((strncmp(cspec->ccode, WL_CCODE_NULL_COUNTRY, WLC_CNTRY_BUF_SZ)) == 0) {
        DHD_ERROR(("%s: ----- This FW is not included CLM data -----\n",
                   __FUNCTION__));
        return FALSE;
    }
    DHD_ERROR(("%s: ----- This FW is included CLM data -----\n", __FUNCTION__));
    return TRUE;
}

int dhd_apply_default_clm(dhd_pub_t *dhd, char *clm_path)
{
    char *clm_blob_path;
    int len;
    char *memblock = NULL;
    int err = BCME_OK;
    char iovbuf[WLC_IOCTL_SMLEN];
    int status = FALSE;

    if (clm_path && clm_path[0] != '\0') {
        if (strlen(clm_path) > MOD_PARAM_PATHLEN) {
            DHD_ERROR(("clm path exceeds max len\n"));
            return BCME_ERROR;
        }
        clm_blob_path = clm_path;
        DHD_TRACE(("clm path from module param:%s\n", clm_path));
    } else {
        clm_blob_path = VENDOR_PATH CONFIG_BCMDHD_CLM_PATH;
    }

    /* If CLM blob file is found on the filesystem, download the file.
     * After CLM file download or If the blob file is not present,
     * validate the country code before proceeding with the initialization.
     * If country code is not valid, fail the initialization.
     */
    memblock = dhd_os_open_image1(dhd, (char *)clm_blob_path);
    if (memblock == NULL) {
        printf("%s: Ignore clm file %s\n", __FUNCTION__, clm_path);
#if defined(DHD_BLOB_EXISTENCE_CHECK)
        if (dhd->is_blob) {
            err = BCME_ERROR;
        } else {
            status = dhd_check_current_clm_data(dhd);
            if (status == TRUE) {
                err = BCME_OK;
            } else {
                err = status;
            }
        }
#endif /* DHD_BLOB_EXISTENCE_CHECK */
        goto exit;
    }

    len = dhd_os_get_image_size(memblock);
    if ((len > 0) && (len < MAX_CLM_BUF_SIZE) && memblock) {
        status = dhd_check_current_clm_data(dhd);
        if (status == TRUE) {
#if defined(DHD_BLOB_EXISTENCE_CHECK)
            if (dhd->op_mode != DHD_FLAG_MFG_MODE) {
                if (dhd->is_blob) {
                    err = BCME_ERROR;
                }
                goto exit;
            }
#else
            DHD_ERROR((
                "%s: CLM already exist in F/W, "
                "new CLM data will be added to the end of existing CLM data!\n",
                __FUNCTION__));
#endif /* DHD_BLOB_EXISTENCE_CHECK */
        } else if (status != FALSE) {
            err = status;
            goto exit;
        }

        /* Found blob file. Download the file */
        DHD_TRACE(("clm file download from %s \n", clm_blob_path));
        err = dhd_download_blob(dhd, (unsigned char *)memblock, len, "clmload");
        if (err) {
            DHD_ERROR(("%s: CLM download failed err=%d\n", __FUNCTION__, err));
            /* Retrieve clmload_status and print */
            memset(iovbuf, 0, sizeof(iovbuf));
            len =
                bcm_mkiovar("clmload_status", NULL, 0, iovbuf, sizeof(iovbuf));
            if (len == 0) {
                err = BCME_BUFTOOSHORT;
                goto exit;
            }
            err = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf),
                                   FALSE, 0);
            if (err) {
                DHD_ERROR(("%s: clmload_status get failed err=%d \n",
                           __FUNCTION__, err));
            } else {
                DHD_ERROR(("%s: clmload_status: %d \n", __FUNCTION__,
                           *((int *)iovbuf)));
                if (*((int *)iovbuf) == CHIPID_MISMATCH) {
                    DHD_ERROR(("Chip ID mismatch error \n"));
                }
            }
            err = BCME_ERROR;
            goto exit;
        } else {
            DHD_INFO(("%s: CLM download succeeded \n", __FUNCTION__));
        }
    } else {
        DHD_INFO(
            ("Skipping the clm download. len:%d memblk:%p \n", len, memblock));
    }
    /* Verify country code */
    status = dhd_check_current_clm_data(dhd);
    if (status != TRUE) {
        /* Country code not initialized or CLM download not proper */
        DHD_ERROR(("country code not initialized\n"));
        err = status;
    }
exit:

    if (memblock) {
        dhd_os_close_image1(dhd, memblock);
    }

    return err;
}

void dhd_free_download_buffer(dhd_pub_t *dhd, void *buffer, int length)
{
    MFREE(dhd->osh, buffer, length);
}

#ifdef SHOW_LOGTRACE
int dhd_parse_logstrs_file(osl_t *osh, char *raw_fmts, int logstrs_size,
                           dhd_event_log_t *event_log)
{
    uint32 *lognums = NULL;
    char *logstrs = NULL;
    logstr_trailer_t *trailer = NULL;
    int ram_index = 0;
    char **fmts = NULL;
    int num_fmts = 0;
    bool match_fail = TRUE;
    int32 i = 0;
    uint8 *pfw_id = NULL;
    uint32 fwid = 0;
    void *file = NULL;
    int file_len = 0;
    char fwid_str[FWID_STR_LEN];
    uint32 hdr_logstrs_size = 0;

    /* Read last three words in the logstrs.bin file */
    trailer = (logstr_trailer_t *)(raw_fmts + logstrs_size -
                                   sizeof(logstr_trailer_t));

    if (trailer->log_magic == LOGSTRS_MAGIC) {
        /*
         * logstrs.bin has a header.
         */
        if (trailer->version == 1) {
            logstr_header_v1_t *hdr_v1 =
                (logstr_header_v1_t *)(raw_fmts + logstrs_size -
                                       sizeof(logstr_header_v1_t));
            DHD_INFO(("%s: logstr header version = %u\n", __FUNCTION__,
                      hdr_v1->version));
            num_fmts = hdr_v1->rom_logstrs_offset / sizeof(uint32);
            ram_index =
                (hdr_v1->ram_lognums_offset - hdr_v1->rom_lognums_offset) /
                sizeof(uint32);
            lognums = (uint32 *)&raw_fmts[hdr_v1->rom_lognums_offset];
            logstrs = (char *)&raw_fmts[hdr_v1->rom_logstrs_offset];
            hdr_logstrs_size = hdr_v1->logstrs_size;
        } else if (trailer->version == 0x2) {
            logstr_header_t *hdr = (logstr_header_t *)(raw_fmts + logstrs_size -
                                                       sizeof(logstr_header_t));
            DHD_INFO(("%s: logstr header version = %u; flags = %x\n",
                      __FUNCTION__, hdr->trailer.version, hdr->trailer.flags));

            /* For ver. 2 of the header, need to match fwid of
             *  both logstrs.bin and fw bin
             */

            /* read the FWID from fw bin */
            file = dhd_os_open_image1(NULL, st_str_file_path);
            if (!file) {
                DHD_ERROR(("%s: cannot open fw file !\n", __FUNCTION__));
                goto error;
            }
            file_len = dhd_os_get_image_size(file);
            if (file_len <= 0) {
                DHD_ERROR(("%s: bad fw file length !\n", __FUNCTION__));
                goto error;
            }
            /* fwid is at the end of fw bin in string format */
            if (dhd_os_seek_file(file, file_len - (sizeof(fwid_str) - 1)) < 0) {
                DHD_ERROR(("%s: can't seek file \n", __FUNCTION__));
                goto error;
            }

            memset(fwid_str, 0, sizeof(fwid_str));
            if (dhd_os_get_image_block(fwid_str, sizeof(fwid_str) - 1, file) <=
                0) {
                DHD_ERROR(("%s: read fw file failed !\n", __FUNCTION__));
                goto error;
            }
            pfw_id = (uint8 *)bcmstrnstr(fwid_str, sizeof(fwid_str) - 1,
                                         FWID_STR_1, strlen(FWID_STR_1));
            if (!pfw_id) {
                pfw_id = (uint8 *)bcmstrnstr(fwid_str, sizeof(fwid_str) - 1,
                                             FWID_STR_2, strlen(FWID_STR_2));
                if (!pfw_id) {
                    DHD_ERROR(
                        ("%s: could not find id in FW bin!\n", __FUNCTION__));
                    goto error;
                }
            }
            /* search for the '-' in the fw id str, after which the
             * actual 4 byte fw id is present
             */
            while (pfw_id && *pfw_id != '-') {
                ++pfw_id;
            }
            ++pfw_id;
            fwid = bcm_strtoul((char *)pfw_id, NULL, 0x10);
            /* check if fw id in logstrs.bin matches the fw one */
            if (hdr->trailer.fw_id != fwid) {
                DHD_ERROR(("%s: logstr id does not match FW!"
                           "logstrs_fwid:0x%x, rtecdc_fwid:0x%x\n",
                           __FUNCTION__, hdr->trailer.fw_id, fwid));
                goto error;
            }

            match_fail = FALSE;
            num_fmts = hdr->rom_logstrs_offset / sizeof(uint32);
            ram_index = (hdr->ram_lognums_offset - hdr->rom_lognums_offset) /
                        sizeof(uint32);
            lognums = (uint32 *)&raw_fmts[hdr->rom_lognums_offset];
            logstrs = (char *)&raw_fmts[hdr->rom_logstrs_offset];
            hdr_logstrs_size = hdr->logstrs_size;

        error:
            if (file) {
                dhd_os_close_image1(NULL, file);
            }
            if (match_fail) {
                return BCME_DECERR;
            }
        } else {
            DHD_ERROR(("%s: Invalid logstr version %u\n", __FUNCTION__,
                       trailer->version));
            return BCME_ERROR;
        }
        if (logstrs_size != hdr_logstrs_size) {
            DHD_ERROR(
                ("%s: bad logstrs_size %d\n", __FUNCTION__, hdr_logstrs_size));
            return BCME_ERROR;
        }
    } else {
        /*
         * Legacy logstrs.bin format without header.
         */
        num_fmts = *((uint32 *)(raw_fmts)) / sizeof(uint32);

        /* Legacy RAM-only logstrs.bin format:
         *	  - RAM 'lognums' section
         *	  - RAM 'logstrs' section.
         *
         * 'lognums' is an array of indexes for the strings in the
         * 'logstrs' section. The first uint32 is an index to the
         * start of 'logstrs'. Therefore, if this index is divided
         * by 'sizeof(uint32)' it provides the number of logstr
         *	entries.
         */
        ram_index = 0;
        lognums = (uint32 *)raw_fmts;
        logstrs = (char *)&raw_fmts[num_fmts << 0x2];
    }
    if (num_fmts) {
        fmts = MALLOC(osh, num_fmts * sizeof(char *));
    }
    if (fmts == NULL) {
        DHD_ERROR(("%s: Failed to allocate fmts memory\n", __FUNCTION__));
        return BCME_ERROR;
    }
    event_log->fmts_size = num_fmts * sizeof(char *);

    for (i = 0; i < num_fmts; i++) {
        /* ROM lognums index into logstrs using 'rom_logstrs_offset' as a base
         * (they are 0-indexed relative to 'rom_logstrs_offset').
         *
         * RAM lognums are already indexed to point to the correct RAM logstrs
         * (they are 0-indexed relative to the start of the logstrs.bin file).
         */
        if (i == ram_index) {
            logstrs = raw_fmts;
        }
        fmts[i] = &logstrs[lognums[i]];
    }
    event_log->fmts = fmts;
    event_log->raw_fmts_size = logstrs_size;
    event_log->raw_fmts = raw_fmts;
    event_log->num_fmts = num_fmts;
    return BCME_OK;
} /* dhd_parse_logstrs_file */

int dhd_parse_map_file(osl_t *osh, void *file, uint32 *ramstart,
                       uint32 *rodata_start, uint32 *rodata_end)
{
    char *raw_fmts = NULL, *raw_fmts_loc = NULL;
    uint32 read_size = READ_NUM_BYTES;
    int error = 0;
    char *cptr = NULL;
    char c;
    uint8 count = 0;

    *ramstart = 0;
    *rodata_start = 0;
    *rodata_end = 0;

    /* Allocate 1 byte more than read_size to terminate it with NULL */
    raw_fmts = MALLOCZ(osh, read_size + 1);
    if (raw_fmts == NULL) {
        DHD_ERROR(("%s: Failed to allocate raw_fmts memory \n", __FUNCTION__));
        goto fail;
    }

    /* read ram start, rodata_start and rodata_end values from map  file */
    while (count != ALL_MAP_VAL) {
        error = dhd_os_read_file(file, raw_fmts, read_size);
        if (error < 0) {
            DHD_ERROR(
                ("%s: map file read failed err:%d \n", __FUNCTION__, error));
            goto fail;
        }

        /* End raw_fmts with NULL as strstr expects NULL terminated strings */
        raw_fmts[read_size] = '\0';

        /* Get ramstart address */
        raw_fmts_loc = raw_fmts;
        if (!(count & RAMSTART_BIT) &&
            (cptr = bcmstrnstr(raw_fmts_loc, read_size, ramstart_str,
                               strlen(ramstart_str)))) {
            cptr = cptr - BYTES_AHEAD_NUM;
            sscanf(cptr, "%x %c text_start", ramstart, &c);
            count |= RAMSTART_BIT;
        }

        /* Get ram rodata start address */
        raw_fmts_loc = raw_fmts;
        if (!(count & RDSTART_BIT) &&
            (cptr = bcmstrnstr(raw_fmts_loc, read_size, rodata_start_str,
                               strlen(rodata_start_str)))) {
            cptr = cptr - BYTES_AHEAD_NUM;
            sscanf(cptr, "%x %c rodata_start", rodata_start, &c);
            count |= RDSTART_BIT;
        }

        /* Get ram rodata end address */
        raw_fmts_loc = raw_fmts;
        if (!(count & RDEND_BIT) &&
            (cptr = bcmstrnstr(raw_fmts_loc, read_size, rodata_end_str,
                               strlen(rodata_end_str)))) {
            cptr = cptr - BYTES_AHEAD_NUM;
            sscanf(cptr, "%x %c rodata_end", rodata_end, &c);
            count |= RDEND_BIT;
        }

        if (error < (int)read_size) {
            /*
             * since we reset file pos back to earlier pos by
             * GO_BACK_FILE_POS_NUM_BYTES bytes we won't reach EOF.
             * The reason for this is if string is spreaded across
             * bytes, the read function should not miss it.
             * So if ret value is less than read_size, reached EOF don't read
             * further
             */
            break;
        }
        memset(raw_fmts, 0, read_size);
        /*
         * go back to predefined NUM of bytes so that we won't miss
         * the string and  addr even if it comes as splited in next read.
         */
        dhd_os_seek_file(file, -GO_BACK_FILE_POS_NUM_BYTES);
    }

fail:
    if (raw_fmts) {
        MFREE(osh, raw_fmts, read_size + 1);
        raw_fmts = NULL;
    }
    if (count == ALL_MAP_VAL) {
        return BCME_OK;
    } else {
        DHD_ERROR(("%s: readmap error 0X%x \n", __FUNCTION__, count));
        return BCME_ERROR;
    }
} /* dhd_parse_map_file */

#ifdef PCIE_FULL_DONGLE
int dhd_event_logtrace_infobuf_pkt_process(dhd_pub_t *dhdp, void *pktbuf,
                                           dhd_event_log_t *event_data)
{
    uint32 infobuf_version;
    info_buf_payload_hdr_t *payload_hdr_ptr;
    uint16 payload_hdr_type;
    uint16 payload_hdr_length;

    DHD_TRACE(("%s:Enter\n", __FUNCTION__));

    if (PKTLEN(dhdp->osh, pktbuf) < sizeof(uint32)) {
        DHD_ERROR(("%s: infobuf too small for version field\n", __FUNCTION__));
        goto exit;
    }
    infobuf_version = *((uint32 *)PKTDATA(dhdp->osh, pktbuf));
    PKTPULL(dhdp->osh, pktbuf, sizeof(uint32));
    if (infobuf_version != PCIE_INFOBUF_V1) {
        DHD_ERROR(("%s: infobuf version %d is not PCIE_INFOBUF_V1\n",
                   __FUNCTION__, infobuf_version));
        goto exit;
    }

    /* Version 1 infobuf has a single type/length (and then value) field */
    if (PKTLEN(dhdp->osh, pktbuf) < sizeof(info_buf_payload_hdr_t)) {
        DHD_ERROR(("%s: infobuf too small for v1 type/length  fields\n",
                   __FUNCTION__));
        goto exit;
    }
    /* Process/parse the common info payload header (type/length) */
    payload_hdr_ptr = (info_buf_payload_hdr_t *)PKTDATA(dhdp->osh, pktbuf);
    payload_hdr_type = ltoh16(payload_hdr_ptr->type);
    payload_hdr_length = ltoh16(payload_hdr_ptr->length);
    if (payload_hdr_type != PCIE_INFOBUF_V1_TYPE_LOGTRACE) {
        DHD_ERROR(("%s: payload_hdr_type %d is not V1_TYPE_LOGTRACE\n",
                   __FUNCTION__, payload_hdr_type));
        goto exit;
    }
    PKTPULL(dhdp->osh, pktbuf, sizeof(info_buf_payload_hdr_t));

    /* Validate that the specified length isn't bigger than the
     * provided data.
     */
    if (payload_hdr_length > PKTLEN(dhdp->osh, pktbuf)) {
        DHD_ERROR(("%s: infobuf logtrace length is bigger"
                   " than actual buffer data\n",
                   __FUNCTION__));
        goto exit;
    }
    dhd_dbg_trace_evnt_handler(dhdp, PKTDATA(dhdp->osh, pktbuf), event_data,
                               payload_hdr_length);

    return BCME_OK;

exit:
    return BCME_ERROR;
} /* dhd_event_logtrace_infobuf_pkt_process */
#endif /* PCIE_FULL_DONGLE */
#endif /* SHOW_LOGTRACE */

#if defined(WLTDLS) && defined(PCIE_FULL_DONGLE)

/* To handle the TDLS event in the dhd_common.c
 */
int dhd_tdls_event_handler(dhd_pub_t *dhd_pub, wl_event_msg_t *event)
{
    int ret = BCME_OK;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
    ret = dhd_tdls_update_peer_info(dhd_pub, event);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
    return ret;
}

int dhd_free_tdls_peer_list(dhd_pub_t *dhd_pub)
{
    tdls_peer_node_t *cur = NULL, *prev = NULL;
    if (!dhd_pub) {
        return BCME_ERROR;
    }
    cur = dhd_pub->peer_tbl.node;

    if ((dhd_pub->peer_tbl.node == NULL) &&
        !dhd_pub->peer_tbl.tdls_peer_count) {
        return BCME_ERROR;
    }

    while (cur != NULL) {
        prev = cur;
        cur = cur->next;
        MFREE(dhd_pub->osh, prev, sizeof(tdls_peer_node_t));
    }
    dhd_pub->peer_tbl.tdls_peer_count = 0;
    dhd_pub->peer_tbl.node = NULL;
    return BCME_OK;
}
#endif /* #if defined(WLTDLS) && defined(PCIE_FULL_DONGLE) */

/* pretty hex print a contiguous buffer
 * based on the debug level specified
 */
void dhd_prhex(const char *msg, volatile uchar *buf, uint nbytes,
               uint8 dbg_level)
{
    char line[128], *p;
    int len = sizeof(line);
    int nchar;
    uint i;

    if (msg && (msg[0] != '\0')) {
        if (dbg_level == DHD_ERROR_VAL) {
            DHD_ERROR(("%s:\n", msg));
        } else if (dbg_level == DHD_INFO_VAL) {
            DHD_INFO(("%s:\n", msg));
        } else if (dbg_level == DHD_TRACE_VAL) {
            DHD_TRACE(("%s:\n", msg));
        }
    }

    p = line;
    for (i = 0; i < nbytes; i++) {
        if (i % 0x10 == 0) {
            nchar = snprintf(p, len, "  %04x: ", i); /* line prefix */
            p += nchar;
            len -= nchar;
        }
        if (len > 0) {
            nchar = snprintf(p, len, "%02x ", buf[i]);
            p += nchar;
            len -= nchar;
        }

        if (i % 0x10 == 0xF) {
            /* flush line */
            if (dbg_level == DHD_ERROR_VAL) {
                DHD_ERROR(("%s:\n", line));
            } else if (dbg_level == DHD_INFO_VAL) {
                DHD_INFO(("%s:\n", line));
            } else if (dbg_level == DHD_TRACE_VAL) {
                DHD_TRACE(("%s:\n", line));
            }
            p = line;
            len = sizeof(line);
        }
    }

    /* flush last partial line */
    if (p != line) {
        if (dbg_level == DHD_ERROR_VAL) {
            DHD_ERROR(("%s:\n", line));
        } else if (dbg_level == DHD_INFO_VAL) {
            DHD_INFO(("%s:\n", line));
        } else if (dbg_level == DHD_TRACE_VAL) {
            DHD_TRACE(("%s:\n", line));
        }
    }
}

#ifdef DUMP_IOCTL_IOV_LIST
void dhd_iov_li_append(dhd_pub_t *dhd, dll_t *list_head, dll_t *node)
{
    dll_t *item;
    dhd_iov_li_t *iov_li;
    dhd->dump_iovlist_len++;

    if (dhd->dump_iovlist_len == IOV_LIST_MAX_LEN + 1) {
        item = dll_head_p(list_head);
        iov_li = (dhd_iov_li_t *)CONTAINEROF(item, dhd_iov_li_t, list);
        dll_delete(item);
        MFREE(dhd->osh, iov_li, sizeof(*iov_li));
        dhd->dump_iovlist_len--;
    }
    dll_append(list_head, node);
}

void dhd_iov_li_print(dll_t *list_head)
{
    dhd_iov_li_t *iov_li;
    dll_t *item, *next;
    uint8 index = 0;
    for (item = dll_head_p(list_head); !dll_end(list_head, item); item = next) {
        next = dll_next_p(item);
        iov_li = (dhd_iov_li_t *)CONTAINEROF(item, dhd_iov_li_t, list);
        DHD_ERROR(("%d:cmd_name = %s, cmd = %d.\n", ++index, iov_li->buff,
                   iov_li->cmd));
    }
}

void dhd_iov_li_delete(dhd_pub_t *dhd, dll_t *list_head)
{
    dll_t *item;
    dhd_iov_li_t *iov_li;
    while (!(dll_empty(list_head))) {
        item = dll_head_p(list_head);
        iov_li = (dhd_iov_li_t *)CONTAINEROF(item, dhd_iov_li_t, list);
        dll_delete(item);
        MFREE(dhd->osh, iov_li, sizeof(*iov_li));
    }
}
#endif /* DUMP_IOCTL_IOV_LIST */

/* configuations of ecounters to be enabled by default in FW */
static ecounters_cfg_t ecounters_cfg_tbl[] = {
    /* Global ecounters */
    {ECOUNTERS_STATS_TYPES_FLAG_GLOBAL, 0x0, WL_IFSTATS_XTLV_BUS_PCIE},

    /* Slice specific ecounters */
    {ECOUNTERS_STATS_TYPES_FLAG_SLICE, 0x0, WL_SLICESTATS_XTLV_PERIODIC_STATE},
    {ECOUNTERS_STATS_TYPES_FLAG_SLICE, 0x1, WL_SLICESTATS_XTLV_PERIODIC_STATE},
    {ECOUNTERS_STATS_TYPES_FLAG_SLICE, 0x1, WL_IFSTATS_XTLV_WL_SLICE_BTCOEX},

    /* Interface specific ecounters */
    {ECOUNTERS_STATS_TYPES_FLAG_IFACE, 0x0, WL_IFSTATS_XTLV_IF_PERIODIC_STATE},
    {ECOUNTERS_STATS_TYPES_FLAG_IFACE, 0x0, WL_IFSTATS_XTLV_GENERIC},
    {ECOUNTERS_STATS_TYPES_FLAG_IFACE, 0x0, WL_IFSTATS_XTLV_INFRA_SPECIFIC},
    {ECOUNTERS_STATS_TYPES_FLAG_IFACE, 0x0, WL_IFSTATS_XTLV_MGT_CNT},

    /* secondary interface */
};

static event_ecounters_cfg_t event_ecounters_cfg_tbl[] = {
    /* Interface specific event ecounters */
    {WLC_E_DEAUTH_IND, ECOUNTERS_STATS_TYPES_FLAG_IFACE, 0x0,
     WL_IFSTATS_XTLV_IF_EVENT_STATS},
};

/* Accepts an argument to -s, -g or -f and creates an XTLV */
int dhd_create_ecounters_params(dhd_pub_t *dhd, uint16 type,
                                uint16 if_slice_idx, uint16 stats_rep,
                                uint8 **xtlv)
{
    uint8 *req_xtlv = NULL;
    ecounters_stats_types_report_req_t *req;
    bcm_xtlvbuf_t xtlvbuf, container_xtlvbuf;
    ecountersv2_xtlv_list_elt_t temp;
    uint16 xtlv_len = 0, total_len = 0;
    int rc = BCME_OK;

    /* fill in the stat type XTLV. For now there is no explicit TLV for the stat
     * type. */
    temp.id = stats_rep;
    temp.len = 0;

    /* Hence len/data = 0/NULL */
    xtlv_len += temp.len + BCM_XTLV_HDR_SIZE;

    /* Total length of the container */
    total_len = BCM_XTLV_HDR_SIZE +
                OFFSETOF(ecounters_stats_types_report_req_t, stats_types_req) +
                xtlv_len;
    /* Now allocate a structure for the entire request */
    if ((req_xtlv = (uint8 *)MALLOCZ(dhd->osh, total_len)) == NULL) {
        rc = BCME_NOMEM;
        goto fail;
    }

    /* container XTLV context */
    bcm_xtlv_buf_init(&container_xtlvbuf, (uint8 *)req_xtlv, total_len,
                      BCM_XTLV_OPTION_ALIGN32);

    /* Fill other XTLVs in the container. Leave space for XTLV headers */
    req = (ecounters_stats_types_report_req_t *)(req_xtlv + BCM_XTLV_HDR_SIZE);
    req->flags = type;
    if (type == ECOUNTERS_STATS_TYPES_FLAG_SLICE) {
        req->slice_mask = 0x1 << if_slice_idx;
    } else if (type == ECOUNTERS_STATS_TYPES_FLAG_IFACE) {
        req->if_index = if_slice_idx;
    }

    /* Fill remaining XTLVs */
    bcm_xtlv_buf_init(&xtlvbuf, (uint8 *)req->stats_types_req, xtlv_len,
                      BCM_XTLV_OPTION_ALIGN32);
    if (bcm_xtlv_put_data(&xtlvbuf, temp.id, NULL, temp.len)) {
        DHD_ERROR(
            ("Error creating XTLV for requested stats type = %d\n", temp.id));
        rc = BCME_ERROR;
        goto fail;
    }

    /* fill the top level container and get done with the XTLV container */
    rc = bcm_xtlv_put_data(
        &container_xtlvbuf, WL_ECOUNTERS_XTLV_REPORT_REQ, NULL,
        bcm_xtlv_buf_len(&xtlvbuf) +
            OFFSETOF(ecounters_stats_types_report_req_t, stats_types_req));
    if (rc) {
        DHD_ERROR(("Error creating parent XTLV for type = %d\n", req->flags));
        goto fail;
    }

fail:
    if (rc && req_xtlv) {
        MFREE(dhd->osh, req_xtlv, total_len);
        req_xtlv = NULL;
    }

    /* update the xtlv pointer */
    *xtlv = req_xtlv;
    return rc;
}

int dhd_get_preserve_log_numbers(dhd_pub_t *dhd, uint32 *logset_mask)
{
    wl_el_set_type_t logset_type, logset_op;
    int ret = BCME_ERROR;
    int i = 0, err = 0;

    if (!dhd || !logset_mask) {
        return BCME_BADARG;
    }

    *logset_mask = 0;
    memset(&logset_type, 0, sizeof(logset_type));
    memset(&logset_op, 0, sizeof(logset_op));
    logset_type.version = htod16(EVENT_LOG_SET_TYPE_CURRENT_VERSION);
    logset_type.len = htod16(sizeof(wl_el_set_type_t));
    for (i = 0; i < dhd->event_log_max_sets; i++) {
        logset_type.set = i;
        err = dhd_iovar(dhd, 0, "event_log_set_type", (char *)&logset_type,
                        sizeof(logset_type), (char *)&logset_op,
                        sizeof(logset_op), FALSE);
        /* the iovar may return 'unsupported' error if a log set number is not
         * present in the fw, so we should not return on error !
         */
        if (err == BCME_OK && logset_op.type == EVENT_LOG_SET_TYPE_PRSRV) {
            *logset_mask |= 0x01u << i;
            ret = BCME_OK;
            DHD_ERROR(("[INIT] logset:%d is preserve/chatty\n", i));
        }
    }

    return ret;
}

static int dhd_ecounter_autoconfig(dhd_pub_t *dhd)
{
    int rc = BCME_OK;
    uint32 buf;
    rc = dhd_iovar(dhd, 0, "ecounters_autoconfig", NULL, 0, (char *)&buf,
                   sizeof(buf), FALSE);
    if (rc != BCME_OK) {
        if (rc != BCME_UNSUPPORTED) {
            rc = BCME_OK;
            DHD_ERROR(("%s Ecounter autoconfig in fw failed : %d\n",
                       __FUNCTION__, rc));
        } else {
            DHD_ERROR(
                ("%s Ecounter autoconfig in FW not supported\n", __FUNCTION__));
        }
    }

    return rc;
}

int dhd_ecounter_configure(dhd_pub_t *dhd, bool enable)
{
    int rc = BCME_OK;
    if (enable) {
        if (dhd_ecounter_autoconfig(dhd) != BCME_OK) {
            if ((rc = dhd_start_ecounters(dhd)) != BCME_OK) {
                DHD_ERROR(("%s Ecounters start failed\n", __FUNCTION__));
            } else if ((rc = dhd_start_event_ecounters(dhd)) != BCME_OK) {
                DHD_ERROR(("%s Event_Ecounters start failed\n", __FUNCTION__));
            }
        }
    } else {
        if ((rc = dhd_stop_ecounters(dhd)) != BCME_OK) {
            DHD_ERROR(("%s Ecounters stop failed\n", __FUNCTION__));
        } else if ((rc = dhd_stop_event_ecounters(dhd)) != BCME_OK) {
            DHD_ERROR(("%s Event_Ecounters stop failed\n", __FUNCTION__));
        }
    }
    return rc;
}

int dhd_start_ecounters(dhd_pub_t *dhd)
{
    uint8 i = 0;
    uint8 *start_ptr;
    int rc = BCME_OK;
    bcm_xtlv_t *elt;
    ecounters_config_request_v2_t *req = NULL;
    ecountersv2_processed_xtlv_list_elt *list_elt, *tail = NULL;
    ecountersv2_processed_xtlv_list_elt *processed_containers_list = NULL;
    uint16 total_processed_containers_len = 0;

    for (i = 0; i < ARRAYSIZE(ecounters_cfg_tbl); i++) {
        ecounters_cfg_t *ecounter_stat = &ecounters_cfg_tbl[i];

        if ((list_elt = (ecountersv2_processed_xtlv_list_elt *)MALLOCZ(
                 dhd->osh, sizeof(*list_elt))) == NULL) {
            DHD_ERROR(("Ecounters v2: No memory to process\n"));
            goto fail;
        }

        rc = dhd_create_ecounters_params(
            dhd, ecounter_stat->type, ecounter_stat->if_slice_idx,
            ecounter_stat->stats_rep, &list_elt->data);
        if (rc) {
            DHD_ERROR(
                ("Ecounters v2: Could not process: stat: %d return code: %d\n",
                 ecounter_stat->stats_rep, rc));

            /* Free allocated memory and go to fail to release any memories
             * allocated in previous iterations. Note that list_elt->data gets
             * populated in dhd_create_ecounters_params() and gets freed there
             * itself.
             */
            MFREE(dhd->osh, list_elt, sizeof(*list_elt));
            list_elt = NULL;
            goto fail;
        }
        elt = (bcm_xtlv_t *)list_elt->data;

        /* Put the elements in the order they are processed */
        if (processed_containers_list == NULL) {
            processed_containers_list = list_elt;
        } else {
            tail->next = list_elt;
        }
        tail = list_elt;
        /* Size of the XTLV returned */
        total_processed_containers_len += BCM_XTLV_LEN(elt) + BCM_XTLV_HDR_SIZE;
    }

    /* Now create ecounters config request with totallength */
    req = (ecounters_config_request_v2_t *)MALLOCZ(
        dhd->osh, sizeof(*req) + total_processed_containers_len);
    if (req == NULL) {
        rc = BCME_NOMEM;
        goto fail;
    }
    req->version = ECOUNTERS_VERSION_2;
    req->logset = EVENT_LOG_SET_ECOUNTERS;
    req->reporting_period = ECOUNTERS_DEFAULT_PERIOD;
    req->num_reports = ECOUNTERS_NUM_REPORTS;
    req->len = total_processed_containers_len +
               OFFSETOF(ecounters_config_request_v2_t, ecounters_xtlvs);

    /* Copy config */
    start_ptr = req->ecounters_xtlvs;

    /* Now go element by element in the list */
    while (processed_containers_list) {
        list_elt = processed_containers_list;

        elt = (bcm_xtlv_t *)list_elt->data;

        memcpy(start_ptr, list_elt->data,
               BCM_XTLV_LEN(elt) + BCM_XTLV_HDR_SIZE);
        start_ptr += (size_t)(BCM_XTLV_LEN(elt) + BCM_XTLV_HDR_SIZE);
        processed_containers_list = processed_containers_list->next;

        /* Free allocated memories */
        MFREE(dhd->osh, elt, elt->len + BCM_XTLV_HDR_SIZE);
        MFREE(dhd->osh, list_elt, sizeof(*list_elt));
    }

    if ((rc = dhd_iovar(dhd, 0, "ecounters", (char *)req, req->len, NULL, 0,
                        TRUE)) < 0) {
        DHD_ERROR(("failed to start ecounters\n"));
    }

fail:
    if (req) {
        MFREE(dhd->osh, req, sizeof(*req) + total_processed_containers_len);
    }

    /* Now go element by element in the list */
    while (processed_containers_list) {
        list_elt = processed_containers_list;
        elt = (bcm_xtlv_t *)list_elt->data;
        processed_containers_list = processed_containers_list->next;

        /* Free allocated memories */
        MFREE(dhd->osh, elt, elt->len + BCM_XTLV_HDR_SIZE);
        MFREE(dhd->osh, list_elt, sizeof(*list_elt));
    }
    return rc;
}

int dhd_stop_ecounters(dhd_pub_t *dhd)
{
    int rc = BCME_OK;
    ecounters_config_request_v2_t *req;

    /* Now create ecounters config request with totallength */
    req = (ecounters_config_request_v2_t *)MALLOCZ(dhd->osh, sizeof(*req));
    if (req == NULL) {
        rc = BCME_NOMEM;
        goto fail;
    }
    req->version = ECOUNTERS_VERSION_2;
    req->len = OFFSETOF(ecounters_config_request_v2_t, ecounters_xtlvs);

    if ((rc = dhd_iovar(dhd, 0, "ecounters", (char *)req, req->len, NULL, 0,
                        TRUE)) < 0) {
        DHD_ERROR(("failed to stop ecounters\n"));
    }

fail:
    if (req) {
        MFREE(dhd->osh, req, sizeof(*req));
    }
    return rc;
}

/* configured event_id_array for event ecounters */
typedef struct event_id_array {
    uint8 event_id;
    uint8 str_idx;
} event_id_array_t;

/* get event id array only from event_ecounters_cfg_tbl[] */
static inline int
__dhd_event_ecounters_get_event_id_array(event_id_array_t *event_array)
{
    uint8 i;
    uint8 idx = 0;
    int32 prev_evt_id = -1;

    for (i = 0; i < (uint8)ARRAYSIZE(event_ecounters_cfg_tbl); i++) {
        if (prev_evt_id != event_ecounters_cfg_tbl[i].event_id) {
            if (prev_evt_id >= 0) {
                idx++;
            }
            event_array[idx].event_id = event_ecounters_cfg_tbl[i].event_id;
            event_array[idx].str_idx = i;
        }
        prev_evt_id = event_ecounters_cfg_tbl[i].event_id;
    }
    return idx;
}

/* One event id has limit xtlv num to request based on wl_ifstats_xtlv_id * 2
 * interface */
#define ECNTRS_MAX_XTLV_NUM (31 * 2)

int dhd_start_event_ecounters(dhd_pub_t *dhd)
{
    uint8 i, j = 0;
    uint8 event_id_cnt = 0;
    uint16 processed_containers_len = 0;
    uint16 max_xtlv_len = 0;
    int rc = BCME_OK;
    uint8 *ptr;
    uint8 *data;
    event_id_array_t *id_array;
    bcm_xtlv_t *elt = NULL;
    event_ecounters_config_request_v2_t *req = NULL;

    id_array = (event_id_array_t *)MALLOCZ(
        dhd->osh,
        sizeof(event_id_array_t) * ARRAYSIZE(event_ecounters_cfg_tbl));
    if (id_array == NULL) {
        rc = BCME_NOMEM;
        goto fail;
    }
    event_id_cnt = __dhd_event_ecounters_get_event_id_array(id_array);
    max_xtlv_len =
        ((BCM_XTLV_HDR_SIZE +
          OFFSETOF(event_ecounters_config_request_v2_t, ecounters_xtlvs)) *
         ECNTRS_MAX_XTLV_NUM);

    /* Now create ecounters config request with max allowed length */
    req = (event_ecounters_config_request_v2_t *)MALLOCZ(
        dhd->osh, sizeof(event_ecounters_config_request_v2_t *) + max_xtlv_len);
    if (req == NULL) {
        rc = BCME_NOMEM;
        goto fail;
    }
    for (i = 0; i <= event_id_cnt; i++) {
        /* req initialization by event id */
        req->version = ECOUNTERS_VERSION_2;
        req->logset = EVENT_LOG_SET_ECOUNTERS;
        req->event_id = id_array[i].event_id;
        req->flags = EVENT_ECOUNTERS_FLAGS_ADD;
        req->len = 0;
        processed_containers_len = 0;

        /* Copy config */
        ptr = req->ecounters_xtlvs;

        for (j = id_array[i].str_idx;
             j < (uint8)ARRAYSIZE(event_ecounters_cfg_tbl); j++) {
            event_ecounters_cfg_t *event_ecounter_stat =
                &event_ecounters_cfg_tbl[j];
            if (id_array[i].event_id != event_ecounter_stat->event_id) {
                break;
            }

            rc = dhd_create_ecounters_params(dhd, event_ecounter_stat->type,
                                             event_ecounter_stat->if_slice_idx,
                                             event_ecounter_stat->stats_rep,
                                             &data);
            if (rc) {
                DHD_ERROR(("%s: Could not process: stat: %d return code: %d\n",
                           __FUNCTION__, event_ecounter_stat->stats_rep, rc));
                goto fail;
            }

            elt = (bcm_xtlv_t *)data;
            memcpy(ptr, elt, BCM_XTLV_LEN(elt) + BCM_XTLV_HDR_SIZE);
            ptr += (size_t)(BCM_XTLV_LEN(elt) + BCM_XTLV_HDR_SIZE);
            processed_containers_len += BCM_XTLV_LEN(elt) + BCM_XTLV_HDR_SIZE;

            /* Free allocated memories alloced by dhd_create_ecounters_params */
            MFREE(dhd->osh, elt, elt->len + BCM_XTLV_HDR_SIZE);

            if (processed_containers_len > max_xtlv_len) {
                DHD_ERROR(("%s XTLV NUM IS OVERFLOWED THAN ALLOWED!!\n",
                           __FUNCTION__));
                rc = BCME_BADLEN;
                goto fail;
            }
        }

        req->len =
            processed_containers_len +
            OFFSETOF(event_ecounters_config_request_v2_t, ecounters_xtlvs);

        DHD_INFO(("%s req version %d logset %d event_id %d flags %d len %d\n",
                  __FUNCTION__, req->version, req->logset, req->event_id,
                  req->flags, req->len));

        rc = dhd_iovar(dhd, 0, "event_ecounters", (char *)req, req->len, NULL,
                       0, TRUE);
        if (rc < 0) {
            DHD_ERROR(
                ("failed to start event_ecounters(event id %d) with rc %d\n",
                 req->event_id, rc));
            goto fail;
        }
    }

fail:
    /* Free allocated memories */
    if (req) {
        MFREE(dhd->osh, req,
              sizeof(event_ecounters_config_request_v2_t *) + max_xtlv_len);
    }
    if (id_array) {
        MFREE(dhd->osh, id_array,
              sizeof(event_id_array_t) * ARRAYSIZE(event_ecounters_cfg_tbl));
    }
    return rc;
}

int dhd_stop_event_ecounters(dhd_pub_t *dhd)
{
    int rc = BCME_OK;
    event_ecounters_config_request_v2_t *req;

    /* Now create ecounters config request with totallength */
    req =
        (event_ecounters_config_request_v2_t *)MALLOCZ(dhd->osh, sizeof(*req));
    if (req == NULL) {
        rc = BCME_NOMEM;
        goto fail;
    }
    req->version = ECOUNTERS_VERSION_2;
    req->flags = EVENT_ECOUNTERS_FLAGS_DEL_ALL;
    req->len = OFFSETOF(event_ecounters_config_request_v2_t, ecounters_xtlvs);
    if ((rc = dhd_iovar(dhd, 0, "event_ecounters", (char *)req, req->len, NULL,
                        0, TRUE)) < 0) {
        DHD_ERROR(("failed to stop event_ecounters\n"));
    }

fail:
    if (req) {
        MFREE(dhd->osh, req, sizeof(*req));
    }
    return rc;
}

#ifdef DHD_LOG_DUMP
int dhd_dump_debug_ring(dhd_pub_t *dhdp, void *ring_ptr, const void *user_buf,
                        log_dump_section_hdr_t *sec_hdr, char *text_hdr,
                        int buflen, uint32 sec_type)
{
    uint32 rlen = 0;
    uint32 data_len = 0;
    void *data = NULL;
    unsigned long flags = 0;
    int ret = 0;
    dhd_dbg_ring_t *ring = (dhd_dbg_ring_t *)ring_ptr;
    int pos = 0;
    int fpos_sechdr = 0;

    if (!dhdp || !ring || !user_buf || !sec_hdr || !text_hdr) {
        return BCME_BADARG;
    }
    /* do not allow further writes to the ring
     * till we flush it
     */
    DHD_DBG_RING_LOCK(ring->lock, flags);
    ring->state = RING_SUSPEND;
    DHD_DBG_RING_UNLOCK(ring->lock, flags);

    if (dhdp->concise_dbg_buf) {
        /* re-use concise debug buffer temporarily
         * to pull ring data, to write
         * record by record to file
         */
        data_len = CONCISE_DUMP_BUFLEN;
        data = dhdp->concise_dbg_buf;
        ret = dhd_export_debug_data(text_hdr, NULL, user_buf, strlen(text_hdr),
                                    &pos);
        /* write the section header now with zero length,
         * once the correct length is found out, update
         * it later
         */
        fpos_sechdr = pos;
        sec_hdr->type = sec_type;
        sec_hdr->length = 0;
        ret = dhd_export_debug_data((char *)sec_hdr, NULL, user_buf,
                                    sizeof(*sec_hdr), &pos);
        do {
            rlen = dhd_dbg_ring_pull_single(ring, data, data_len, TRUE);
            if (rlen > 0) {
                /* write the log */
                ret = dhd_export_debug_data(data, NULL, user_buf, rlen, &pos);
            }
            DHD_DBGIF(("%s: rlen : %d\n", __FUNCTION__, rlen));
        } while ((rlen > 0));
        /* now update the section header length in the file */
        /* Complete ring size is dumped by HAL, hence updating length to ring
         * size */
        sec_hdr->length = ring->ring_size;
        ret = dhd_export_debug_data((char *)sec_hdr, NULL, user_buf,
                                    sizeof(*sec_hdr), &fpos_sechdr);
    } else {
        DHD_ERROR(("%s: No concise buffer available !\n", __FUNCTION__));
    }
    DHD_DBG_RING_LOCK(ring->lock, flags);
    ring->state = RING_ACTIVE;
    /* Resetting both read and write pointer,
     * since all items are read.
     */
    ring->rp = ring->wp = 0;
    DHD_DBG_RING_UNLOCK(ring->lock, flags);

    return ret;
}

int dhd_log_dump_ring_to_file(dhd_pub_t *dhdp, void *ring_ptr, void *file,
                              unsigned long *file_posn,
                              log_dump_section_hdr_t *sec_hdr, char *text_hdr,
                              uint32 sec_type)
{
    uint32 rlen = 0;
    uint32 data_len = 0, total_len = 0;
    void *data = NULL;
    unsigned long fpos_sechdr = 0;
    unsigned long flags = 0;
    int ret = 0;
    dhd_dbg_ring_t *ring = (dhd_dbg_ring_t *)ring_ptr;

    if (!dhdp || !ring || !file || !sec_hdr || !file_posn || !text_hdr) {
        return BCME_BADARG;
    }

    /* do not allow further writes to the ring
     * till we flush it
     */
    DHD_DBG_RING_LOCK(ring->lock, flags);
    ring->state = RING_SUSPEND;
    DHD_DBG_RING_UNLOCK(ring->lock, flags);

    if (dhdp->concise_dbg_buf) {
        /* re-use concise debug buffer temporarily
         * to pull ring data, to write
         * record by record to file
         */
        data_len = CONCISE_DUMP_BUFLEN;
        data = dhdp->concise_dbg_buf;
        dhd_os_write_file_posn(file, file_posn, text_hdr, strlen(text_hdr));
        /* write the section header now with zero length,
         * once the correct length is found out, update
         * it later
         */
        dhd_init_sec_hdr(sec_hdr);
        fpos_sechdr = *file_posn;
        sec_hdr->type = sec_type;
        sec_hdr->length = 0;
        dhd_os_write_file_posn(file, file_posn, (char *)sec_hdr,
                               sizeof(*sec_hdr));
        do {
            rlen = dhd_dbg_ring_pull_single(ring, data, data_len, TRUE);
            if (rlen > 0) {
                /* write the log */
                ret = dhd_os_write_file_posn(file, file_posn, data, rlen);
                if (ret < 0) {
                    DHD_ERROR(("%s: write file error !\n", __FUNCTION__));
                    DHD_DBG_RING_LOCK(ring->lock, flags);
                    ring->state = RING_ACTIVE;
                    DHD_DBG_RING_UNLOCK(ring->lock, flags);
                    return BCME_ERROR;
                }
            }
            total_len += rlen;
        } while (rlen > 0);
        /* now update the section header length in the file */
        sec_hdr->length = total_len;
        dhd_os_write_file_posn(file, &fpos_sechdr, (char *)sec_hdr,
                               sizeof(*sec_hdr));
    } else {
        DHD_ERROR(("%s: No concise buffer available !\n", __FUNCTION__));
    }

    DHD_DBG_RING_LOCK(ring->lock, flags);
    ring->state = RING_ACTIVE;
    /* Resetting both read and write pointer,
     * since all items are read.
     */
    ring->rp = ring->wp = 0;
    DHD_DBG_RING_UNLOCK(ring->lock, flags);
    return BCME_OK;
}

/* logdump cookie */
#define MAX_LOGUDMP_COOKIE_CNT 10u
#define LOGDUMP_COOKIE_STR_LEN 50u
int dhd_logdump_cookie_init(dhd_pub_t *dhdp, uint8 *buf, uint32 buf_size)
{
    uint32 ring_size;

    if (!dhdp || !buf) {
        DHD_ERROR(("INVALID PTR: dhdp:%p buf:%p\n", dhdp, buf));
        return BCME_ERROR;
    }

    ring_size = dhd_ring_get_hdr_size() +
                LOGDUMP_COOKIE_STR_LEN * MAX_LOGUDMP_COOKIE_CNT;
    if (buf_size < ring_size) {
        DHD_ERROR(("BUF SIZE IS TO SHORT: req:%d buf_size:%d\n", ring_size,
                   buf_size));
        return BCME_ERROR;
    }

    dhdp->logdump_cookie =
        dhd_ring_init(dhdp, buf, buf_size, LOGDUMP_COOKIE_STR_LEN,
                      MAX_LOGUDMP_COOKIE_CNT, DHD_RING_TYPE_FIXED);
    if (!dhdp->logdump_cookie) {
        DHD_ERROR(("FAIL TO INIT COOKIE RING\n"));
        return BCME_ERROR;
    }

    return BCME_OK;
}

void dhd_logdump_cookie_deinit(dhd_pub_t *dhdp)
{
    if (!dhdp) {
        return;
    }
    if (dhdp->logdump_cookie) {
        dhd_ring_deinit(dhdp, dhdp->logdump_cookie);
    }

    return;
}

void dhd_logdump_cookie_save(dhd_pub_t *dhdp, char *cookie, char *type)
{
    char *ptr;

    if (!dhdp || !cookie || !type || !dhdp->logdump_cookie) {
        DHD_ERROR(("%s: At least one buffer ptr is NULL dhdp=%p cookie=%p"
                   " type = %p, cookie_cfg:%p\n",
                   __FUNCTION__, dhdp, cookie, type,
                   dhdp ? dhdp->logdump_cookie : NULL));
        return;
    }
    ptr = (char *)dhd_ring_get_empty(dhdp->logdump_cookie);
    if (ptr == NULL) {
        DHD_ERROR(("%s : Skip to save due to locking\n", __FUNCTION__));
        return;
    }
    scnprintf(ptr, LOGDUMP_COOKIE_STR_LEN, "%s: %s\n", type, cookie);
    return;
}

int dhd_logdump_cookie_get(dhd_pub_t *dhdp, char *ret_cookie, uint32 buf_size)
{
    char *ptr;

    if (!dhdp || !ret_cookie || !dhdp->logdump_cookie) {
        DHD_ERROR(("%s: At least one buffer ptr is NULL dhdp=%p"
                   "cookie=%p cookie_cfg:%p\n",
                   __FUNCTION__, dhdp, ret_cookie,
                   dhdp ? dhdp->logdump_cookie : NULL));
        return BCME_ERROR;
    }
    ptr = (char *)dhd_ring_get_first(dhdp->logdump_cookie);
    if (ptr == NULL) {
        DHD_ERROR(("%s : Skip to save due to locking\n", __FUNCTION__));
        return BCME_ERROR;
    }
    memcpy(ret_cookie, ptr, MIN(buf_size, strlen(ptr)));
    dhd_ring_free_first(dhdp->logdump_cookie);
    return BCME_OK;
}

int dhd_logdump_cookie_count(dhd_pub_t *dhdp)
{
    if (!dhdp || !dhdp->logdump_cookie) {
        DHD_ERROR(("%s: At least one buffer ptr is NULL dhdp=%p cookie=%p\n",
                   __FUNCTION__, dhdp, dhdp ? dhdp->logdump_cookie : NULL));
        return 0;
    }
    return dhd_ring_get_cur_size(dhdp->logdump_cookie);
}

static inline int __dhd_log_dump_cookie_to_file(dhd_pub_t *dhdp, void *fp,
                                                const void *user_buf,
                                                unsigned long *f_pos, char *buf,
                                                uint32 buf_size)
{
    uint32 remain = buf_size;
    int ret = BCME_ERROR;
    char tmp_buf[LOGDUMP_COOKIE_STR_LEN];
    log_dump_section_hdr_t sec_hdr;
    uint32 read_idx;
    uint32 write_idx;
    read_idx = dhd_ring_get_read_idx(dhdp->logdump_cookie);
    write_idx = dhd_ring_get_write_idx(dhdp->logdump_cookie);
    while (dhd_logdump_cookie_count(dhdp) > 0) {
        memset(tmp_buf, 0, sizeof(tmp_buf));
        ret = dhd_logdump_cookie_get(dhdp, tmp_buf, LOGDUMP_COOKIE_STR_LEN);
        if (ret != BCME_OK) {
            return ret;
        }
        remain -= scnprintf(&buf[buf_size - remain], remain, "%s", tmp_buf);
    }
    dhd_ring_set_read_idx(dhdp->logdump_cookie, read_idx);
    dhd_ring_set_write_idx(dhdp->logdump_cookie, write_idx);

    ret = dhd_export_debug_data(COOKIE_LOG_HDR, fp, user_buf,
                                strlen(COOKIE_LOG_HDR), f_pos);
    if (ret < 0) {
        DHD_ERROR(("%s : Write file Error for cookie hdr\n", __FUNCTION__));
        return ret;
    }
    sec_hdr.magic = LOG_DUMP_MAGIC;
    sec_hdr.timestamp = local_clock();
    sec_hdr.type = LOG_DUMP_SECTION_COOKIE;
    sec_hdr.length = buf_size - remain;

    ret = dhd_export_debug_data((char *)&sec_hdr, fp, user_buf, sizeof(sec_hdr),
                                f_pos);
    if (ret < 0) {
        DHD_ERROR(("%s : Write file Error for section hdr\n", __FUNCTION__));
        return ret;
    }

    ret = dhd_export_debug_data(buf, fp, user_buf, sec_hdr.length, f_pos);
    if (ret < 0) {
        DHD_ERROR(("%s : Write file Error for cookie data\n", __FUNCTION__));
    }

    return ret;
}

uint32 dhd_log_dump_cookie_len(dhd_pub_t *dhdp)
{
    int len = 0;
    char tmp_buf[LOGDUMP_COOKIE_STR_LEN];
    log_dump_section_hdr_t sec_hdr;
    char *buf = NULL;
    int ret = BCME_ERROR;
    uint32 buf_size = MAX_LOGUDMP_COOKIE_CNT * LOGDUMP_COOKIE_STR_LEN;
    uint32 read_idx;
    uint32 write_idx;
    uint32 remain;

    remain = buf_size;

    if (!dhdp || !dhdp->logdump_cookie) {
        DHD_ERROR(("%s At least one ptr is NULL "
                   "dhdp = %p cookie %p\n",
                   __FUNCTION__, dhdp, dhdp ? dhdp->logdump_cookie : NULL));
        goto exit;
    }

    buf = (char *)MALLOCZ(dhdp->osh, buf_size);
    if (!buf) {
        DHD_ERROR(("%s Fail to malloc buffer\n", __FUNCTION__));
        goto exit;
    }

    read_idx = dhd_ring_get_read_idx(dhdp->logdump_cookie);
    write_idx = dhd_ring_get_write_idx(dhdp->logdump_cookie);
    while (dhd_logdump_cookie_count(dhdp) > 0) {
        memset(tmp_buf, 0, sizeof(tmp_buf));
        ret = dhd_logdump_cookie_get(dhdp, tmp_buf, LOGDUMP_COOKIE_STR_LEN);
        if (ret != BCME_OK) {
            goto exit;
        }
        remain -= (uint32)strlen(tmp_buf);
    }
    dhd_ring_set_read_idx(dhdp->logdump_cookie, read_idx);
    dhd_ring_set_write_idx(dhdp->logdump_cookie, write_idx);
    len += strlen(COOKIE_LOG_HDR);
    len += sizeof(sec_hdr);
    len += (buf_size - remain);
exit:
    if (buf) {
        MFREE(dhdp->osh, buf, buf_size);
    }
    return len;
}

int dhd_log_dump_cookie(dhd_pub_t *dhdp, const void *user_buf)
{
    int ret = BCME_ERROR;
    char tmp_buf[LOGDUMP_COOKIE_STR_LEN];
    log_dump_section_hdr_t sec_hdr;
    char *buf = NULL;
    uint32 buf_size = MAX_LOGUDMP_COOKIE_CNT * LOGDUMP_COOKIE_STR_LEN;
    int pos = 0;
    uint32 read_idx;
    uint32 write_idx;
    uint32 remain;

    remain = buf_size;

    if (!dhdp || !dhdp->logdump_cookie) {
        DHD_ERROR(("%s At least one ptr is NULL "
                   "dhdp = %p cookie %p\n",
                   __FUNCTION__, dhdp, dhdp ? dhdp->logdump_cookie : NULL));
        goto exit;
    }

    buf = (char *)MALLOCZ(dhdp->osh, buf_size);
    if (!buf) {
        DHD_ERROR(("%s Fail to malloc buffer\n", __FUNCTION__));
        goto exit;
    }

    read_idx = dhd_ring_get_read_idx(dhdp->logdump_cookie);
    write_idx = dhd_ring_get_write_idx(dhdp->logdump_cookie);
    while (dhd_logdump_cookie_count(dhdp) > 0) {
        memset(tmp_buf, 0, sizeof(tmp_buf));
        ret = dhd_logdump_cookie_get(dhdp, tmp_buf, LOGDUMP_COOKIE_STR_LEN);
        if (ret != BCME_OK) {
            goto exit;
        }
        remain -= scnprintf(&buf[buf_size - remain], remain, "%s", tmp_buf);
    }
    dhd_ring_set_read_idx(dhdp->logdump_cookie, read_idx);
    dhd_ring_set_write_idx(dhdp->logdump_cookie, write_idx);
    ret = dhd_export_debug_data(COOKIE_LOG_HDR, NULL, user_buf,
                                strlen(COOKIE_LOG_HDR), &pos);
    sec_hdr.magic = LOG_DUMP_MAGIC;
    sec_hdr.timestamp = local_clock();
    sec_hdr.type = LOG_DUMP_SECTION_COOKIE;
    sec_hdr.length = buf_size - remain;
    ret = dhd_export_debug_data((char *)&sec_hdr, NULL, user_buf,
                                sizeof(sec_hdr), &pos);
    ret = dhd_export_debug_data(buf, NULL, user_buf, sec_hdr.length, &pos);
exit:
    if (buf) {
        MFREE(dhdp->osh, buf, buf_size);
    }
    return ret;
}

int dhd_log_dump_cookie_to_file(dhd_pub_t *dhdp, void *fp, const void *user_buf,
                                unsigned long *f_pos)
{
    char *buf;
    int ret = BCME_ERROR;
    uint32 buf_size = MAX_LOGUDMP_COOKIE_CNT * LOGDUMP_COOKIE_STR_LEN;

    if (!dhdp || !dhdp->logdump_cookie || (!fp && !user_buf) || !f_pos) {
        DHD_ERROR(("%s At least one ptr is NULL "
                   "dhdp = %p cookie %p fp = %p f_pos = %p\n",
                   __FUNCTION__, dhdp, dhdp ? dhdp->logdump_cookie : NULL, fp,
                   f_pos));
        return ret;
    }

    buf = (char *)MALLOCZ(dhdp->osh, buf_size);
    if (!buf) {
        DHD_ERROR(("%s Fail to malloc buffer\n", __FUNCTION__));
        return ret;
    }
    ret =
        __dhd_log_dump_cookie_to_file(dhdp, fp, user_buf, f_pos, buf, buf_size);
    MFREE(dhdp->osh, buf, buf_size);

    return ret;
}

#endif /* DHD_LOG_DUMP */

#ifdef DHD_LOG_DUMP
#define DEBUG_DUMP_TRIGGER_INTERVAL_SEC 4
void dhd_log_dump_trigger(dhd_pub_t *dhdp, int subcmd)
{
#if defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL)
    log_dump_type_t *flush_type;
#endif /* DHD_DUMP_FILE_WRITE_FROM_KERNEL */
    uint64 current_time_sec;

    if (!dhdp) {
        DHD_ERROR(("dhdp is NULL !\n"));
        return;
    }

    if (subcmd >= CMD_MAX || subcmd < CMD_DEFAULT) {
        DHD_ERROR(("%s : Invalid subcmd \n", __FUNCTION__));
        return;
    }

    current_time_sec = DIV_U64_BY_U32(OSL_LOCALTIME_NS(), NSEC_PER_SEC);

    DHD_ERROR(
        ("%s: current_time_sec=%lld debug_dump_time_sec=%lld interval=%d\n",
         __FUNCTION__, current_time_sec, dhdp->debug_dump_time_sec,
         DEBUG_DUMP_TRIGGER_INTERVAL_SEC));

    if ((current_time_sec - dhdp->debug_dump_time_sec) <
        DEBUG_DUMP_TRIGGER_INTERVAL_SEC) {
        DHD_ERROR((
            "%s : Last debug dump triggered(%lld) within %d seconds, so SKIP\n",
            __FUNCTION__, dhdp->debug_dump_time_sec,
            DEBUG_DUMP_TRIGGER_INTERVAL_SEC));
        return;
    }

    clear_debug_dump_time(dhdp->debug_dump_time_str);
    /*  */
    dhdp->debug_dump_subcmd = subcmd;

    dhdp->debug_dump_time_sec =
        DIV_U64_BY_U32(OSL_LOCALTIME_NS(), NSEC_PER_SEC);

#if defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL)
    /* flush_type is freed at do_dhd_log_dump function */
    flush_type = MALLOCZ(dhdp->osh, sizeof(log_dump_type_t));
    if (flush_type) {
        *flush_type = DLD_BUF_TYPE_ALL;
        dhd_schedule_log_dump(dhdp, flush_type);
    } else {
        DHD_ERROR(("%s Fail to malloc flush_type\n", __FUNCTION__));
        return;
    }
#endif /* DHD_DUMP_FILE_WRITE_FROM_KERNEL */

    /* Inside dhd_mem_dump, event notification will be sent to HAL and
     * from other context DHD pushes memdump, debug_dump and pktlog dump
     * to HAL and HAL will write into file
     */
#if (defined(BCMPCIE) || defined(BCMSDIO)) && defined(DHD_FW_COREDUMP)
    dhdp->memdump_type = DUMP_TYPE_BY_SYSDUMP;
    dhd_bus_mem_dump(dhdp);
#endif /* BCMPCIE && DHD_FW_COREDUMP */
}
#endif /* DHD_LOG_DUMP */

#ifdef EWP_EDL
/* For now we are allocating memory for EDL ring using DMA_ALLOC_CONSISTENT
 * The reason being that, in hikey, if we try to DMA_MAP prealloced memory
 * it is failing with an 'out of space in SWIOTLB' error
 */
int dhd_edl_mem_init(dhd_pub_t *dhd)
{
    int ret = 0;

    memset(&dhd->edl_ring_mem, 0, sizeof(dhd->edl_ring_mem));
    ret = dhd_dma_buf_alloc(dhd, &dhd->edl_ring_mem, DHD_EDL_RING_SIZE);
    if (ret != BCME_OK) {
        DHD_ERROR(("%s: alloc of edl_ring_mem failed\n", __FUNCTION__));
        return BCME_ERROR;
    }
    return BCME_OK;
}

/* NOTE:- that dhd_edl_mem_deinit need NOT be called explicitly, because the
 * dma_buf for EDL is freed during 'dhd_prot_detach_edl_rings' which is called
 * during de-init.
 */
void dhd_edl_mem_deinit(dhd_pub_t *dhd)
{
    if (dhd->edl_ring_mem.va != NULL) {
        dhd_dma_buf_free(dhd, &dhd->edl_ring_mem);
    }
}

int dhd_event_logtrace_process_edl(dhd_pub_t *dhdp, uint8 *data,
                                   void *evt_decode_data)
{
    msg_hdr_edl_t *msg = NULL;
    cmn_msg_hdr_t *cmn_msg_hdr = NULL;
    uint8 *buf = NULL;

    if (!data || !dhdp || !evt_decode_data) {
        DHD_ERROR(("%s: invalid args ! \n", __FUNCTION__));
        return BCME_ERROR;
    }

    /* format of data in each work item in the EDL ring:
     * |cmn_msg_hdr_t |payload (var len)|cmn_msg_hdr_t|
     * payload = |infobuf_ver(u32)|info_buf_payload_hdr_t|msgtrace_hdr_t|<var
     * len data>|
     */
    cmn_msg_hdr = (cmn_msg_hdr_t *)data;
    msg = (msg_hdr_edl_t *)(data + sizeof(cmn_msg_hdr_t));
    buf = (uint8 *)msg;
    /* validate the fields */
    if (ltoh32(msg->infobuf_ver) != PCIE_INFOBUF_V1) {
        DHD_ERROR(("%s: Skipping msg with invalid infobuf ver (0x%x)"
                   " expected (0x%x)\n",
                   __FUNCTION__, msg->infobuf_ver, PCIE_INFOBUF_V1));
        return BCME_VERSION;
    }

    /* in EDL, the request_id field of cmn_msg_hdr is overloaded to carry
     * payload length */
    if (sizeof(info_buf_payload_hdr_t) > cmn_msg_hdr->request_id) {
        DHD_ERROR(("%s: infobuf too small for v1 type/length fields\n",
                   __FUNCTION__));
        return BCME_BUFTOOLONG;
    }

    if (ltoh16(msg->pyld_hdr.type) != PCIE_INFOBUF_V1_TYPE_LOGTRACE) {
        DHD_ERROR(("%s: payload_hdr_type %d is not V1_TYPE_LOGTRACE\n",
                   __FUNCTION__, ltoh16(msg->pyld_hdr.type)));
        return BCME_BADOPTION;
    }

    if (ltoh16(msg->pyld_hdr.length) > cmn_msg_hdr->request_id) {
        DHD_ERROR(("%s: infobuf logtrace length %u is bigger"
                   " than available buffer size %u\n",
                   __FUNCTION__, ltoh16(msg->pyld_hdr.length),
                   cmn_msg_hdr->request_id));
        return BCME_BADLEN;
    }

    /* dhd_dbg_trace_evnt_handler expects the data to start from msgtrace_hdr_t
     */
    buf += sizeof(msg->infobuf_ver) + sizeof(msg->pyld_hdr);
    dhd_dbg_trace_evnt_handler(dhdp, buf, evt_decode_data,
                               ltoh16(msg->pyld_hdr.length));

    /* check 'dhdp->logtrace_pkt_sendup' and if true alloc an skb
     * copy the event data to the skb and send it up the stack
     */
    if (dhdp->logtrace_pkt_sendup) {
        DHD_INFO(("%s: send up event log, len %u bytes\n", __FUNCTION__,
                  (uint32)(ltoh16(msg->pyld_hdr.length) +
                           sizeof(info_buf_payload_hdr_t) + 0x4)));
        dhd_sendup_info_buf(dhdp, (uint8 *)msg);
    }

    return BCME_OK;
}
#endif /* EWP_EDL */

#if defined(SHOW_LOGTRACE)
int dhd_print_fw_ver_from_file(dhd_pub_t *dhdp, char *fwpath)
{
    void *file = NULL;
    int size = 0;
    char buf[FW_VER_STR_LEN];
    char *str = NULL;
    int ret = BCME_OK;

    if (!fwpath) {
        return BCME_BADARG;
    }

    file = dhd_os_open_image1(dhdp, fwpath);
    if (!file) {
        ret = BCME_ERROR;
        goto exit;
    }
    size = dhd_os_get_image_size(file);
    if (!size) {
        ret = BCME_ERROR;
        goto exit;
    }

    /* seek to the last 'X' bytes in the file */
    if (dhd_os_seek_file(file, size - FW_VER_STR_LEN) != BCME_OK) {
        ret = BCME_ERROR;
        goto exit;
    }

    /* read the last 'X' bytes of the file to a buffer */
    memset(buf, 0, FW_VER_STR_LEN);
    if (dhd_os_get_image_block(buf, FW_VER_STR_LEN - 1, file) < 0) {
        ret = BCME_ERROR;
        goto exit;
    }
    /* search for 'Version' in the buffer */
    str = bcmstrnstr(buf, FW_VER_STR_LEN, FW_VER_STR, strlen(FW_VER_STR));
    if (!str) {
        ret = BCME_ERROR;
        goto exit;
    }
    /* go back in the buffer to the last ascii character */
    while (str != buf && (*str >= ' ' && *str <= '~')) {
        --str;
    }
    /* reverse the final decrement, so that str is pointing
     * to the first ascii character in the buffer
     */
    ++str;

    if (strlen(str) > (FW_VER_STR_LEN - 1)) {
        ret = BCME_BADLEN;
        goto exit;
    }

    DHD_ERROR(("FW version in file '%s': %s\n", fwpath, str));
    /* copy to global variable, so that in case FW load fails, the
     * core capture logs will contain FW version read from the file
     */
    memset(fw_version, 0, FW_VER_STR_LEN);
    strlcpy(fw_version, str, FW_VER_STR_LEN);

exit:
    if (file) {
        dhd_os_close_image1(dhdp, file);
    }

    return ret;
}
#endif // endif

#if defined(DHD_H2D_LOG_TIME_SYNC)
/*
 * Helper function:
 * Used for Dongle console message time syncing with Host printk
 */
void dhd_h2d_log_time_sync(dhd_pub_t *dhd)
{
    uint64 ts;

    /*
     * local_clock() returns time in nano seconds.
     * Dongle understand only milli seconds time.
     */
    ts = local_clock();
    /* Nano seconds to milli seconds */
    do_div(ts, 0xF4240);
    if (dhd_wl_ioctl_set_intiovar(dhd, "rte_timesync", ts, WLC_SET_VAR, TRUE,
                                  0)) {
        DHD_ERROR(("%s rte_timesync **** FAILED ****\n", __FUNCTION__));
        /* Stopping HOST Dongle console time syncing */
        dhd->dhd_rte_time_sync_ms = 0;
    }
}
#endif /* DHD_H2D_LOG_TIME_SYNC */

#if defined(DISABLE_HE_ENAB) || defined(CUSTOM_CONTROL_HE_ENAB)
int dhd_control_he_enab(dhd_pub_t *dhd, uint8 he_enab)
{
    int ret = BCME_OK;
    bcm_xtlv_t *pxtlv = NULL;
    uint8 mybuf[DHD_IOVAR_BUF_SIZE];
    uint16 mybuf_len = sizeof(mybuf);
    pxtlv = (bcm_xtlv_t *)mybuf;

    ret =
        bcm_pack_xtlv_entry((uint8 **)&pxtlv, &mybuf_len, WL_HE_CMD_ENAB,
                            sizeof(he_enab), &he_enab, BCM_XTLV_OPTION_ALIGN32);
    if (ret != BCME_OK) {
        ret = -EINVAL;
        DHD_ERROR(("%s failed to pack he enab, err: %s\n", __FUNCTION__,
                   bcmerrorstr(ret)));
        return ret;
    }
    ret = dhd_iovar(dhd, 0, "he", (char *)&mybuf, sizeof(mybuf), NULL, 0, TRUE);
    if (ret < 0) {
        DHD_ERROR(("%s he_enab (%d) set failed, err: %s\n", __FUNCTION__,
                   he_enab, bcmerrorstr(ret)));
    } else {
        DHD_ERROR(("%s he_enab (%d) set successed\n", __FUNCTION__, he_enab));
    }

    return ret;
}
#endif /* DISABLE_HE_ENAB || CUSTOM_CONTROL_HE_ENAB */
